7th Grade Math

Test PracticeT

C 13. CHALLENGE Suppose you could climb to the top of the Great Pyramid of

Giza in Egypt. Which path would be shorter, climbing a lateral edge

or the slant height? Justify your response.

14. OPEN ENDED Draw a square pyramid and a rectangular pyramid.
    Explain the differences between the two.


15. E WRITE MATH Justify the formula for the surface area of a pyramid.
    16. The We Entertain company is
    constructing a tent in the shape of a
    square pyramid, without a floor, to be
    used at a party. Find the number of
    square feet of fabric that will be
    required.
    A. 1,500 ft^2
    B. 1,700 ft^2
    C. 2,250 ft^2
    D. 2,550 ft^2

34 ft

25 ft

17. Find the surface area of the triangular
    pyramid shown with a base area of
    27.7 square yards.
    F. 39.3 yd^2
    G. 117.9 yd^2
    H. 171.7 yd^2
    I. 213.5 yd^2

8 yd

12 yd

8 yd 8 yd

18. CRAFTS LaToya is decorating the side of a cylindrical can. The can has a
    diameter of 6 inches and a height of 12 inches. To the nearest tenth, what is
    the minimum amount of construction paper that LaToya needs? (Lesson 2C)

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

19.

51 cm

35 cm

60 cm

20.

8 ft

10 ft

6 ft

17 ft

Find the volume of each cone. Round to the nearest tenth. (Lesson 1F )

21.

8 ft

18 ft

22.

5.6 m 5.8 m

Lesson 2E Surface Area 597

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