7th Grade Math

EP28 Extra Practice

Extra Practice

Multi-Part Lesson 10-1 (continued)

PART C PAGES 564–568

Find the volume of each cylinder. Round to the nearest tenth.

1. 2 cm

4 cm

2. 3 yd

6.5 yd

4.5 in.

1.5 in.

7.5 mm 16 mm

5. radius = 6 in. 6. radius = 8 ft 7. radius = 6 km
   height = 3 in. height = 10 ft height = 12 km


6. radius = 8.5 cm 9. diameter = 16 yd 10. diameter = 3.5 mm
   height = 3 cm height = 4.5 yd height = 2.5 mm


7. radius = 40.5 m 12. radius = 0.5 cm 13. diameter = 8 ^34 in.
   height = 65.1 m height = 1.6 cm height = 5 ^12 in.


8. Find the volume of a cylinder with a diameter of 6 inches and height
   of 24 inches. Round to the nearest tenth.


9. How tall is a cylinder that has a volume of 2,123 cubic meters and a
   radius of 13 meters? Round to the nearest tenth.


10. A cylinder has a volume of 310.2 cubic yards and a radius of 2.9 yards.
    What is the height of the cylinder? Round to the nearest tenth.


11. Find the height of a cylinder with a diameter of 25 centimeters and
    volume of 8,838 cubic centimeters. Round to the nearest tenth.

PARTS D E PAGES 569–574

Find the volume of each pyramid. Round to the nearest tenth if necessary.

1.

3 cm 4 cm

5 cm

2.

4 cm

2 cm

3 cm^ 3. 3.5 yd

4 yd

3 yd

5 yd

PART F PAGES 575–578

Find the volume of each cone. Round to the nearest tenth if necessary.

1. 15 ft

11 ft

2. 12 yd

7 yd

3.

5 in.

8 in.

7 in.

EP2_EP36_ExtPract_M1_895130.indd EP28 1/6/10 11:46 AM