Unit two test questions

Unit 2: Area and Volume Test Directions: Complete the following problems to the best of your ability. Show your work at all times or have a thorough explanation of your answer. Questions with little to no work shown will result in little to no credit earned. 1. If a circle has a diameter of 12cm, what is the circle's area? 2. If a circle has an area of 64.38 meters squared, what is the circle's circumference? 3. Find the area of the composite shape shown below. A 12 yds. 18 yds. 4. Find the perimeter of the composite shape shown below. l at: D i / lmnl 5. If a sphere has a surface area of 300cm squared, what is that sphere's radius? 6. What is the surface area of the cylinder shown below? .2m 6m 7. What is the ratio of two cylinder's area, if those same two cylinders have a volume ratio of 64:125 cm cubed. 8. What is the surface area of the cone shown below? 9. A rectangular pyramid has a volume of 80 inches cubed. The area of the base of that pyramid (the rectangle) is 24 inches squared. What is the height of that pyramid? 10. What is the EXACT volume of the sphere shown below? ***EXT RA CREDIT*** Two cones have heights measuring at 8 and 14 cm. The smaller cone has a volume of 33.5 cm cubed. What is the volume of the larger cone