7th Grade Math

Test PracticeT

Find the surface area of each prism. (Lesson 2B)

21. 
    

    (^) 0.8 ft
    2.1 ft
    3.4 ft

    
    


22. 
    

    4.3 m
    5 m
    5 m
    5 m
    14 m

    
    


23. 
    

    TREAT BAGS Mrs. Jones is filling cone-shaped treat bags with candy. Each
    bag has a height of 6 inches and a radius of 0.75 inch. What is the volume of
    each bag? Round to the nearest tenth. (Lesson 1F)

    
    

Find the volume of each pyramid. Round to the nearest tenth if necessary. (Lesson 1E)

24. rectangular pyramid: base, 12 inches by 5 inches; height, 13 inches


25. rectangular pyramid: base, 28 meters by 4 meters; height, 15 meters


26. hexagonal pyramid: area of base, 212 cm^2 ; height, 17 cm


27. MEASUREMENT Find the volume of a rectangular prism with a length of
    5.5 meters, a width of 4 meters, and a height of 7.2 meters. (Lesson 1B)


28. Stacey has a cylindrical paper clip
    holder with the net shown.

1 cm

1 cm

1.5 cm

Which is closest to the surface area of

the cylindrical paper clip holder?

A. 12.7 cm^2

B. 13.7 cm^2

C. 14.7 cm^2

D. 15.7 cm^2

20. The four containers below each hold
    about the same amount of liquid. Which
    container has the greatest surface area?

12 cm

5.2 cm

Container I

8 cm

5 cm

Container II

5.7 cm

10 cm

Container III^

11 cm

5.4 cm

Container IV

F. Container I

G. Container II

H. Container III

I. Container IV

Lesson 2C Surface Area 591

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