Geometry
12.6 Surface Area & Volume of Spheres
Name ______________________________
Date
Period
Find the surface area of each sphere or hemisphere. Round to the nearest tenth.
1.
2.
Surface Area = _________
3.
Surface Area = ________
4.
Surface Area = _________
Surface Area = ________
Find the volume of each sphere or hemisphere. Round to the nearest tenth.
5.
6.
Volume = __________
7.
Volume = _________
8.
Volume = __________
Volume = _________
9. What is the surface area of a hemisphere that has a great circle with radius 8.4 in?
10. What is the surface area of a sphere that has a great circle with area 29.8 m2?
11. What is the volume of a sphere with circumference 36 yd?
12. Mandy cuts a spherical orange in half along a great circle. If the radius of the orange is 2 inches,
what is the area of the cross section that Mandy cut? Round your answer to the nearest
hundredth.
13. A billiard ball set consists of 16 spheres, each 2
1
inches in diameter. What is the total volume
4
of a complete set of billiard balls? Round your answer to the nearest thousandth.