name date period lesson 7 homework practice...volume of pyramids, cones, and spheres find the volume...
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NAME ___________________________________________________ DATE _____________________ PERIOD __________
Lesson 7 Homework PracticeVolume of Pyramids, Cones, and Spheres
Find the volume of each figure. Round to the nearest tenth, if necessary.
1.
12 in.
12 in.
17 in. 2.
3 yd
3 yd
3. 7 ft
408 in. 3
4. 10 m
38 m
11 m
5. 4.5 cm 6.
10 m
12 m
1393.3 m 3 377.0 m 3
7. Find the volume of a rectangular pyramid with a length of 14 feet, a width of 12 feet, and a height of 9 feet. 504 ft 3
8. Find the radius of a sphere with a volume of 972π cm 3 . 9 cm
9. Find the height of a cone with a radius of 12 in. and a volume of 408π in 3 . 8.5 in.
10. A cone with a diameter of 3 inches has a height of 4 inches. A 2-inch square pyramid is being designed to hold nearly the same amount of ice cream. What will be the height of the square pyramid? Round to the nearest tenth. 7.1 in.
7.1 yd 3
1436.8 ft 3
381.7 c m 3
Answers were computed using the π key on a calculator.
Program: Pre-Algebra
Vendor: Aptara
Component: ANC_C12_L7
Grade: AMPDF Pages
Math Accelerated • Chapter 12 Volume and Surface Area
031_035_AM_ANC_C12_L7_664489.indd Page 33 7/26/12 2:46 AM s-74user031_035_AM_ANC_C12_L7_664489.indd Page 33 7/26/12 2:46 AM s-74user /Volumes/104/GO01101_del/Accelerated_Maths_2014/PRE_ALGEBRA/ANCILLARIES.../Volumes/104/GO01101_del/Accelerated_Maths_2014/PRE_ALGEBRA/ANCILLARIES...