SHOW WORK ON ALL FREE RESPONSE. QUESTION 1 is equivalent to , where s 0 and t 0. True Fals e 2 points 1. QUESTION 2 A recipe for a strawberry smoothie requires 1 cup of sugar for every 2 cups of strawberries. Which of the following is the ratio of strawberries to sugar? 1:2 0.5 2:0 1 2 points 1. QUESTION 3 A proportion is a comparison of two ratios. True Fals e 2 points QUESTION 4 1. What ratio would you use to determine how many minutes are in an hour? 3 points QUESTION 5 1. How are ratios and proportions related? 3 points QUESTION 6 1. Movies often use models to create special effects. In the Godzilla movies , the Godzilla appears to be 75 feet tall. This is achieved by a man in an 8 foot rubber suit photographed in the midst of scale-models of buildings. How tall (in feet) is the model for a building, if the building is 50 feet tall in the movie? (Round to the nearest hundredth) 3 ft 2.5 ft 5.33 ft 6 ft 2 points 1. QUESTION 7 Becky charges $10/hour per child and $3.50/hour per pet to babysit. The Boone family wants her to babysit their 3 children, two dogs, and one cat for 4 hours while they go to dinner and the movies. How much will Becky earn per hour? $30/hr $10.50/ hr $40.50/ hr $43.50/ hr 2 points QUESTION 8 Solve: 38.2 5 9.5 5.9 6.12 2 points 1. QUESTION 9 You counted 190 licks to get to the tootsie roll of 5 tootsie pops. How many licks does it take to get to one tootsie roll of a tootsie pop? 48 licks 39 licks 38 licks 31 licks 2 points QUESTION 10 1. Michael can mow a 250 ft2 lawn in 45 minutes. How many minutes long will it take Michael to mow his church's 1500 ft2 lawn? 3 points QUESTION 11 1. For the first 3 home football games, the concession stand sold a total of 625 hotdogs. How many hotdogs can they expect to sell for all 10 games? Round to the nearest hotdog. 3 points QUESTION 12 1. The Angle-Angle Similarity Postulate states that \"If two angles of one triangle are congruent to two corresponding angles of another triangle, then the triangles are similar\" True Fals e 2 points QUESTION 13 Determine whether each pair of triangles is congruent. If similarity exists, write a similarity statement relating to the two triangles. Give a justification for your answer. using the Angle-Angle Similarity Postulate. using the Angle-Angle Similarity Postulate. is not similar to is not congruent to 2 points QUESTION 14 Determine whether each pair of triangles is similar. If similarity exists, write a similarity statement relating to the two triangles. Give a justification for your answer. each other. because their angles are proportional to using the Angle-Angle Similarity Postulate. using the Side-Side-Angle Similarity Postulate. is not similar to 2 points QUESTION 15 Is there enough information to prove that answer. is similar to ? Justify your 3 points 1. QUESTION 16 The Side-Side-Side Similarity Postulate states that if the sides of one triangle are congruent to the sides of another triangle, then the triangles are similar. True Fals e 2 points QUESTION 17 The triangles below are similar to each other True. The two sides are proportional; therefore the triangles are similar. True. The two sides are congruent; therefore the triangles are similar True. Each triangle has a pair of congruent sides; therefore the triangles are similar. False. The diagram does not show enough information. 2 points QUESTION 18 Is there enough information to prove the two triangles are similar? Justify your answer. The two triangles side lengths The two triangles angle measures The two triangles proportional The two triangles are not similar because they have different are not similar because they have different are similar because their angles are are similar because their sides are proportional 2 points QUESTION 19 If Be specific. , what does the SSS Similarity Postulate tell you about the sides? 3 points QUESTION 20 At a certain time of day, a 5.5 foot tall man has a 6 foot shadow. If a tree is 19.25 feet tall, what is the length of the shadow of the tree? 17.14 ft 15 ft 21 ft 21.1 ft 2 points QUESTION 21 What postulate justifies SSS Similarity Postulate SSA Similarity Postulate ASA Similarity Postulate SAS Similarity Postulate 2 points QUESTION 22 At a certain time of day, a 5 foot tall man has a 4 foot shadow. If a tree is 20 feet tall, what is the distance between the tree and the man? 16 ft 8 ft 20 ft 12 ft 2 points QUESTION 23 At a certain time of day, a 5 foot tall man has a 4 foot shadow. If a tree is 20 feet tall, what is the length of the tree's shadow? 3 points QUESTION 24 If , what do you know about the corresponding sides? Be specific. 2 points 1. QUESTION 25 If two polygons are similar, what do you know about their corresponding sides and corresponding angles? The corresponding congruent The corresponding proportional The corresponding congruent The corresponding proportional sides are congruent and corresponding angles are sides are proportional and corresponding angles are sides are proportional and corresponding angles are sides are congruent and corresponding angles are 2 points 1. QUESTION 26 If two polygons are similar, what do you know about their corresponding angles? 3 points QUESTION 27 Why are the two rectangles similar? Explain why? 3 points QUESTION 28 Given the two figures are similar, calculate the value of z 8 9 6 5 2 points QUESTION 29 Given calculate the value of MH 8 7 1 1 1 2 2 points QUESTION 30 Given the two figures are similar, calculate the value of w 3 points QUESTION 31 Given the figures are similar, calculate the length of US 3 points QUESTION 32 1. A regular pentagon has side length 12 cm. The perimeter of the pentagon is 60 cm and the area is 247.7 cm2. A second pentagon has side lengths equal to 18 cm. Find the perimeter of the second pentagon. 40 cm 65 cm 90 cm 49 cm 2 points QUESTION 33 What is the relationship between the area of ABCD and the area of EFGH? The ratio of the EFGH is 1:9. The ratio of the EFGH is 3:1. The ratio of the EFGH is 1:3. The ratio of the EFGH is 9:1. area of ABCD to the area of area of ABCD to the area of area of ABCD to the area of area of ABCD to the area of 2 points 1. QUESTION 34 The ratio of the areas of two similar polygons is 16:25. If the perimeter of the first polygon is 20 cm, what is the perimeter of the second polygon? 36 cm 9 cm 16 cm 25 cm 2 points 1. QUESTION 35 The ratio of the areas of two similar polygons is 121:225. If the perimeter of the first polygon is 60 cm, what is the perimeter of the second polygon? Round to the nearest tenth 3 points QUESTION 36 1. The ratio of the areas of two similar polygons is 81:64. If the perimeter of the first polygon is 32 cm, what is the perimeter of the second polygon? Round to the nearest tenth 3 points QUESTION 37 Find the value of the height, h m, in the following diagram at which the tennis ball must be hit so that it will just pass over the net and land 3 meters away from the base of the net. Round to the nearest hundredth. 4.1 3 3.6 7 0.0 4 2.6 7 2 points QUESTION 38 Find the value of the height, h m, in the following diagram at which the tennis ball must be hit so that it will just pass over the net and land 4 meters away from the base of the net. Round to the nearest thousandth. 4.66 7 1.87 5 3.33 3 2.62 5 2 points 1. QUESTION 39 Two triangular roofs are similar. The ratio of the corresponding sides of these roofs is 2:3. If the altitude of the bigger roof is 6.5 feet, find the corresponding altitude of the smaller roof. Round to the nearest tenth. 4 ft 4.3 ft 4.5 ft 9.75 ft 2 points QUESTION 40 A floor plan is given for the first floor of a new house. One inch represents 10 feet. If the walk-in closet is in. by in. on the floor plan, what are the actual dimensions? (Round to the nearest hundredth) 1. QUESTION 41 Becky is growing a garden in her backyard. It is in the shape of a rectangle 6 feet wide by 3 feet long. Her husband said that he can grow the same amount of crop in a third of the space. What are the dimensions of his garden? QUESTION 42-SIMILAR 1. UNIT Two triangular roofs are similar. The ratio of the corresponding sides of these roofs is 3:4. If the altitude of the larger roof is 8 feet, find the corresponding altitude of the smaller roof. Round to the nearest tenth. 3 points Question 1 1. What is the radius of a circle? What is the diameter of a circle? How are the radius and the diameter related? 3 points 1. QUESTION 2 What is a chord of a circle? 3 points 1. QUESTION 3 If the diameter of a circle is 25 inches, how long is the radius? 3 points QUESTION 4 1. Find the value of p in the figure below. 3 points QUESTION 5 1. Describe the relationship of the segments made when chords intersect inside a circle. Use the following image as reference. 3 points 1. QUESTION 6 If a chord is perpendicular to a segment drawn from the center of the circle, what do you know about the point where the segment and the chord intersect? 3 points QUESTION 7 1. What do you know about chords that are equidistant from the center of the circle? 3 points QUESTION 8 1. Describe the relationship between the segments made when secant lines intersect outside a circle. Use the following image as reference. 3 points QUESTION 9 1. Find the value of x in the figure below. 3 points QUESTION 10- CHORD AND SECANTS 1. Find the value of k in the following figure. 1. If the diameter of a circle measures 16 in., what is the length of the radius? 8 in. 16 in. 9 in. 28 in. 2 points 1. QUESTION 2 What is the relationship between the radius of a circle and the diameter of a circle? The diameter is twice the length of the radius. The radius is half the length of the diameter. The radius is a segment whose endpoints are the center of the circle and a point on the circle. The diameter is a chord that passes through the center of the circle and whose endpoints are on the circle. All of the above 2 points QUESTION 3 1. The diameter is an example of a chord. True Fals e 2 points QUESTION 4 1. In circle K, if circle? Be specific. circle. , what do you know about their relationship to the center of the are equidistant from the center of the are perpendicular from the center of the circle. circle. are parallel from the center of the There is no relationship. 2 points QUESTION 5 1. Using the diagram below, calculate the length of AB if AG = 4 cm. 2 cm 4 cm 6 cm 8 cm 2 points QUESTION 6 1. If AD = 8 cm and AC = 24.5 cm, calculate the length of AB. 16 cm 15 cm 30.63 cm 14 cm 2 points 1. QUESTION 7 The diameter is an example of a secant. True Fals e 2 points QUESTION 8 1. If BD = 2.4 and AB = 1.0, calculate the value of DA. 1.96 2.18 11.5 6 2.6 2 points 1. QUESTION 9 Which of the following is an illustration of an external tangent line? Both A and C 2 points QUESTION 10 1. If AB = 5.5, CD = 7, and FE = 19.5, calculate the values of AE = 25 and CE = 26 AE = 26.5 and CE = and 25 AE = 25.5 and CE = 26.5 AE = 25 and CE = 26.5 2 points QUESTION 11 1. What is true about the construction of a regular hexagon inscribed in a circle? The circle is tangent to each side of the hexagon. All of the vertices of the hexagon lie outside the circle. All of the vertices of the hexagon lie inside the circle. The circle intersects each vertex of the hexagon. 2 points QUESTION 12 1. Which of the following shows a circle circumscribed about a triangle? 2 points QUESTION 13-SPECIAL SEG 1. Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle? Question 1 1. Define a minor arc. How do you name a minor arc? 3 points QUESTION 2 1. Define a semi-circle. 3 points QUESTION 3 1. Define a major arc. How do you name a major arc? 3 points QUESTION 4 1. What is an inscribed angle and what is the relationship of the inscribed angle and the intercepted arc? 3 points 1. QUESTION 5 What is a central angle and what is the relationship of the central angle and the intercepted arc? 1. Find the value of x in the figure below. Show all steps. 3 points 1. QUESTION 7 When segments intersect outside a circle, what is the relationship between the angle of intersection and the intercepted arcs? 3 points QUESTION 8 1. Find the value of x in the figure below. Show all steps. 3 points 1. QUESTION 9 When segments intersect inside a circle, what is the relationship between the angle of intersection and the intercepted arcs? 3 points QUESTION 10- ANGLES AND ARCS 1. Find the value of x in the figure below. Show all steps. 1. Determine the measure of the minor arc, if the measure of its major arc is 200. 200 160 20 100 2 points QUESTION 2 1. The sum of a minor arc and its corresponding major arc is equal to 180. True Fals e 2 points QUESTION 3 1. Find the m 170 190 230 130 2 points QUESTION 4 1. Find the m 170 190 230 130 2 points QUESTION 5 1. Find the value of x if m = 5(x - 3) and = 165. 33 0 72 66 69 2 points QUESTION 6 1. Find the value of x if m 22 0 24 = 12x - 20 and m = 110. 0 20 30 2 points QUESTION 7 1. Find the m if m = 38. 284 142 38 76 2 points QUESTION 8 1. Calculate the m 105, and m m 87 and m = 69. = 93 and m = , given m = 74, m = 112, m = m = 186 m 93 m = 174 = 174 and m = 87 and m = = 186 and m 2 points QUESTION 9 1. Calculate the m , given m = 105 and m = 255. 75 180 205 100 2 points QUESTION 10- ANGLES AND ARCS IN CIRC 1. Calculate the m , given m = 45 and m = 160. 57.5 180 115 112. 5 1. Determine the measure of the minor arc, if the measure of its major arc is 200. 200 160 20 100 2 points QUESTION 2 1. The sum of a minor arc and its corresponding major arc is equal to 180. True Fals e 2 points QUESTION 3 1. Find the m 170 190 230 130 2 points QUESTION 4 1. Find the m 170 190 230 130 2 points QUESTION 5 1. Find the value of x if m = 5(x - 3) and = 165. 33 0 72 66 69 2 points QUESTION 6 1. Find the value of x if m 22 0 24 = 12x - 20 and m = 110. 0 20 30 2 points QUESTION 7 1. Find the m if m = 38. 284 142 38 76 2 points QUESTION 8 1. Calculate the m 105, and m m 87 and m = 69. = 93 and m = , given m = 74, m = 112, m = m = 186 m 93 m = 174 = 174 and m = 87 and m = = 186 and m 2 points QUESTION 9 1. Calculate the m , given m = 105 and m = 255. 75 180 205 100 2 points Q U E S T I O N 1 0 W R I T I N G E Q U AT I O N O F A C I R C - S H O RT A N S W E R 1. Calculate the m , given m = 45 and m = 160. 57.5 180 115 112. 5 1. What is the standard equation of a circle? (x + h)2 + (y + k)2 = r2 (x - h)2 + (y + k)2 = r2 (x + h)2 + (y k)2 = r2 (x - h)2 + (y k)2 = r2 2 points QUESTION 2 1. Write the standard equation of the circle with center (2, 3) and a diameter of 12. (x - 2)2 + (y - 3)2 = 36 (x + 2)2 + (y + 3)2 = 12 (x - 2)2 + (y - 3)2 = 6 (x - 3)2 + (y - 2)2 = 36 2 points 1. QUESTION 3 Pizza Planet delivers pizza within a 15 mile radius of their store. If this area is represented graphically, with Pizza Planet located at (3, 6), what is the equation that represents the delivery area? (x + 3)2 + (y + 6)2 = 15 (x - 3)2 + (y - 6)2 = 15 (x - 3)2 + (y - 6)2 = 225 (x + 3)2 + (y + 6)2 = 225 2 points QUESTION 4 1. My Flower Basket delivers flowers within a 20 mile radius of their store. If this area is represented graphically, with My Flower Basket located at (5, 2), what is the equation that represents the delivery area? (x - 2)2 + (y - 5)2 = 20 (x - 5)2 + (y - 2)2 = 20 (x + 5)2 + (y + 2)2 = 400 (x - 5)2 + (y - 2)2 = 400 2 points 1. QUESTION 5 The equation of a circle is (x + 7)2 + (y + 2)2 = 49. Determine the length of the diameter. 7 4 9 9 1 4 2 points QUESTION 6 1. Write the standard equation of the circle below. (x + 2)2 + (y 1)2 = 9 (x - 2)2 + (y + 1)2 = 3 (x - 2)2 + (y + 1)2 = 9 (x - 1)2 + (y + 2)2 = 3 2 points QUESTION 7 1. Write the standard equation of the circle below. (x + 1)2 + (y 2)2 = 1 (x - 1)2 + (y 2)2 = 1 (x + 1)2 + (y + 2)2 = 1 (x - 1)2 + (y 2)2 = 1 2 points QUESTION 8 1. Using the circle below, determine the coordinates of the center and the length of the radius. Center: Radius: Center: Radius: Center: Radius: Center: Radius: (-2, 1), 3 (2, -1), 3 (-2, 1), 9 (-1, 2), 6 2 points QUESTION 9 1. The equation of a circle is (x - 8)2 + (y - 5)2 = 81. Where is (5, 1) located in relation to the circle? On the circle In the interior of the circle In the exterior of the circle At the center of the circle 2 points Q U E S T I O N 1 0 E Q UAT I O N O F A C I R C 1. Using the circle below, determine the coordinates of the center and the length of the diameter. Center: (2, 1), Diameter: 4 Center: (-2, -1), Diameter: 4 Center: (-2, -1), Diameter: 2 Center: (2, 1), Diameter: 2 Question 1 1. How do you find the circumference of a circle? Show two different formulas. 3 points 1. QUESTION 2 What is the arc measure of an arc with length 4.189 cm and radius equal to 3 cm. 3 points 1. QUESTION 3 Find the area of three-fifths of a circle with radius 15 ft. 3 points 1. QUESTION 4 How do you find the area of a sector? Explain the two methods learned in this section. 3 points QUESTION 5 1. Find the arc length of a sector that is 125 and has a radius of 20 in. 3 points QUESTION 6 1. How do you find the arc length? Explain the two methods learned in this section. 3 points QUESTION 7 1. Find the area of a circle with diameter 18 ft. 3 points QUESTION 8 1. How do you find the area of a circle? 3 points QUESTION 9 1. Find the circumference of a circle with radius 8 inches. 3 points QUESTION 10 1. What is the arc measure of a sector with area 38.485 ft2 and radius 7? 3 points QUESTION 11 1. Use the illustration below to calculate the circumference of the circle. 75.4 cm 24 cm 37.7 cm 452.4 cm 2 points 1. QUESTION 12 Calculate the circumference of a circle with radius 5. 62. 9 7.9 15. 7 31. 4 2 points QUESTION 13- ARC LENGTH AND AREA OF SECTOR 1. If the circumference of a circle is 32 in, find the radius. Find the radius of the circle. 16 in 10.2 in 2.54 in 5.1 in 1. he size of a bicycle is determined by the diameter of the wheel. You want a 24-in bicycle for Christmas. What is the circumference of one of the wheels? 75.4 in 75.3 in 37.7 in 37.6 in 2 points QUESTION 2 1. If the circumference of a circle is 32 in, find the radius. Find the radius of the circle. 16 in 10.2 in 2.54 in 5.1 in 2 points 1. QUESTION 3 The Benton family wants to put a circular fence around their pool. They want it to be exactly 15 feet from the center of the pool. How many feet of fencing is needed? 9 2 9 4 4 7 3 0 2 points QUESTION 4 1. Using the illustration below, calculate the area of the circle. 19.63 in2 78.54 in2 17.63 in2 16.93 in2 2 points 1. QUESTION 5 Taylor is making a mini apple pie with a radius of 3.14 in for her math class. What is the area of her mini pie? 31 in2 32 in2 30 in2 15 in2 2 points 1. QUESTION 6 Estimate the length of the radius if the area of the circle is 54 ft 2. 17.19 ft 4.15 ft 8.29 ft 8.60 ft 2 points QUESTION 7 1. Calculate the area of the shaded sector to the nearest tenth. 2. 1 8. 2 8. 4 8. 3 2 points QUESTION 8 1. Amy is a perfectionist and wants each piece of her cake to be exactly the same area. If the radius of her cake is 6 in and she wants to cut it into 10 pieces, what is the area of each piece of cake? (Round to the nearest tenth) 11.3 in2 12.4 in2 36 in2 10.7 in2 2 points QUESTION 9 1. In circle O, the m the radius. = 92 and the length of is 16. Calculate the length of 3.16 4.97 19.9 3 9.94 2 points QUESTION 10- CICUMFRANCE AND AREA OF A CIRC 1. In circle O, the radius is 6 and the measure of = 95. Find the length of 3.16 4.97 9.95 119.2 8 1. A donut measures 4 in. across. What is the radius? 3 in 1 in 4 in 2 in 2 points QUESTION 2 1. If the diameter of a circle is 6.5, what is the radius? 3.2 5 6.5 13 1.7 5 2 points QUESTION 3 1. Calculate the diameter of the circle. Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Path: p Words:0 3 points QUESTION 4 1. In the diagram below, AE = 6, EB = 3, and DE = 2. Find CE. 6 3 8 9 2 points QUESTION 5 1. Using the diagram below, calculate the length of . 25 in 4 in 7 in 5 in 2 points QUESTION 6 1. Using the diagram below, calculate the length of . Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Path: p Words:0 3 points QUESTION 7 1. If = 18.02 cm and = 20 cm, calculate the length of . 16.4 cm 15.5 cm 20 cm 22.2 cm 2 points QUESTION 8 1. Calculate the length of AC given AB = 2, AE = 13.3, and AD = 1.5. Round to the nearest whole number. Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Path: p Words:0 3 points QUESTION 9 1. If AB = 5, CD = 6, and FE = 10, calculate the values of and . AE = 15.5 and CE = 16.5 AE = 16 and CE = 15 AE = 16.5 and CE = 15.5 AE = 15 and CE = 16 2 points QUESTION 10 1. If BD = 0.6 in. and AB = 0.8 in., calculate the length of . Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Path: p Words:0 3 points QUESTION 11 1. If m = 268, find the measure of the corresponding minor arc. 90 268 134 92 2 points QUESTION 12 1. If m = 265, find the measure of the corresponding minor arc. Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Path: p Words:0 3 points QUESTION 13 1. Calculate the . 42 102 149 113 2 points QUESTION 14 1. Calculate the value of x if is the diameter. 9 18 17 15 2 2 points QUESTION 15 1. Given is the diameter, calculate the value of x. Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Path: p Words:0 3 points QUESTION 16 1. Calculate the value of x in the illustration below. 10 0 50 3 10 2 points QUESTION 17 1. Calculate the value of x in the illustration below. 75 7.5 7.1 4 10 2 points QUESTION 18 1. Calculate the value of x in the illustration below. Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Path: p Words:0 3 points QUESTION 19 1. Find the value of x, if m = 4x - 10 and m = 2x + 30. 2 0 4 0 8 6 2 points QUESTION 20 1. Calculate the m given m = 86, m = 104. m = 93 m = 95 m 190 = m 47.5 = 2 points QUESTION 21 1. Calculate the value of x, given = 5x and = 2x + 25. 8. 3 25 40 20 QUESTION 22 1. If m = 110, calculate the m . 3 points QUESTION 23 1. Calculate the m , given m = 98 and m = 262. 3 points QUESTION 24 1. What is the standard equation of a circle at the origin? x2 - y2 = r2 x2 + y2 = r2 x2 + y2 = r x2 - y2 = r 2 points QUESTION 25 1. Write the standard equation of a circle. 3 points QUESTION 26 1. The hospital provides ambulance service within a 60 mile radius of the hospital. If this service area is represented graphically, with the hospital located at (0, 0), what is the equation that represents the service area? x2 + y2 = 3600 x2 + y2 = 60 (x - 60)2 + (y - 60)2 = 0 (x + 60)2 + (y + 60)2 = 0 2 points 1. QUESTION 27 Pizza Planet delivers pizza within a 17 mile radius of their store. If this area is represented graphically, with Pizza Planet located at (2, 4), what is the equation that represents the delivery area? (x + 2)2 + (y + 4)2 = 17 (x - 4)2 + (y - 2)2 = 117 (x - 2)2 + (y - 4)2 = 289 (x + 4)2 + (y + 2)2 = 289 2 points 1. QUESTION 28 My Flower Basket delivers flowers within a 25 mile radius of their store. If this area is represented graphically, with My Flower Basket located at (4, 3), what is the equation that represents the delivery area? 3 points QUESTION 29 1. The graph of (x - 0.5)2 + (y - 0.5)2 = 16 is illustrated below. True Fals e 2 points QUESTION 30 1. The graph of (x - 2)2 + (y - 1)2 = 2 is illustrated below. True Fals e 2 points QUESTION 31 1. What is the equation of the circle below? 3 points QUESTION 32 1. The circumference of the Earth is approximately 25,000 miles. Find the radius of the Earth. 3978.85 miles 3987.85 miles 7,958.8 miles 7,957.7 miles 2 points 1. QUESTION 33 If the circumference of a circle is 22 in, find the diameter. 1.7 in 7 in 11 in 3.5 in 2 points QUESTION 34 1. The diameter of the Earth is approximately 7,957.7 miles. Find the circumference of the Earth to the nearest mile. 3 points QUESTION 35 1. Estimate the length of the radius, if the area of a circle is 247 mm 2. 9.78 mm 23.87 mm 4.43 mm 8.87 mm 2 points QUESTION 36 1. The size of a bicycle is determined by the diameter of the wheel. You want a 21-in bicycle for your birthday. What is the area of one of the wheels? 1385.4 in2 346.36 in2 484 in2 34.54 in2 2 points QUESTION 37 1. What is the area of a donut that is approximately 4 inches in diameter? 3 points QUESTION 38 1. Calculate the area of the smaller sector. 18. 3 7.3 5.8 8.3 2 points QUESTION 39 1. Calculate the area of the larger sector if the length of the radius is 4.5. 16.8 33.5 8 42.4 8.5 2 points QUESTION 40 1. is the diameter. Calculate the area of sector (to the nearest whole number) created by . 3 points QUESTION 41 1. In circle A, the radius is 9 and the measure of = 135. Find the length of . 5.3 11. 7 10. 6 21. 2 2 points QUESTION 42- CIRC UNIT 1. The = 130 and diameter is 12. Calculate the length of