B .dr Test 10-4 to 10-7 Geometry 1/73 -56 NAME: Audrey McCormick DATE: PER: A The figures in each pair are similar. Compare the first figure to the second. Give the ratio of the perimeters and the ratio of the areas. P Ratio mm 1. A Ratio 25mm 1. 5 2. P Ratio in 2. 15 mm 12 mm 11 25 16 4 in. 8 in. 22 A Ratio in 3. The figures in each pair are similar. The area of one figure is given. Find the area of the other figure to the nearest tenth. 4. x=129.5 in 3 x=40m SF 3. 4. 120 5. 4 X = P Ratio 16 in. 28 in. 10 X 9.25 3x=120 SF 6. -4 A=2bh 4x=518 X = 40um 30 am 10 cm P Ratio em x = 129.5 in SF To in Area of smaller triangle = 74 in. Find the scale factor and the ratio of perimeters for each pair of similar figures. 5. two regular pentagons with areas 45 ft2 and 20 ft 6. two equilateral triangles with areas 83 cm and 128 3 cm -7. two circles with areas 27 in. and 48 in. 27 -9 Area of larger pentagon = 120 cm 7. P Ratio in. 46 ZD = 8. HE 1287 9. YWX 48 16 Use circle H to answer the following questions. 8. Name one minor arc. 2 HY 148 10. W H 65 Z 32 11. 7m X 115 Y 115 9. Name one major arc. YWX 10. Name one semicircle. WY 11. Find the measure of arc YX. 115 12. Find the measure of arc XYW. 180 13. Find the measure of arc ZXW. 212 14. Find the measure of arc WZY. 212 Find the area of the regular polygons 15. A Pentagon with a Perimeter of 55m. 16 An Octagon with a radius of 6cm. 55 5 35 55X = 1800 3223 P = 9= 8 360 X 8x= 2160 12. 780 13. 212 14. 212 2 15.32m 16. 2900