Cross Sections — Unit test Answers
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21
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What is the shape of the cross section of the figure that is parallel to the triangular bases?
A
a parallelogram that is not a rectangleB
a rectangleC
a triangle that must have the same dimensions as the basesD
a triangle that may not have the same dimensions as the bases22
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Which solid is a triangular prism?
A
mc010-1.jpg
B
mc010-2.jpg
C
mc010-3.jpg
D
mc010-4.jpg
23
Kievan bought a new eraser that came in a cardboard wrapper.What is the minimum amount of cardboard used for the wrapper?
A
38 centimeters squared
B
40 centimeters squared
C
76 centimeters squared
D
80 centimeters squared
24
Which expression represents the total surface area, in square meters, of the rectangular pyramid below?
A
(18.4) (27.6) + 2 ((18.4) (20.4)) + 2 ((27.6) (17.6))
B
(18.4) (27.6) + 2 ((18.4) (22.4)) + 2 ((27.6) (22.4))
C
(18.4) (27.6) + 2 (one-half (18.4) (20.4)) + 2 (one-half (27.6) (17.6))
D
(18.4) (27.6) + 2 (one-half (18.4) (22.4)) + 2 (one-half (27.6) (22.4))
25
Which equation should be used to find the volume of the figure?
A
V = one-third (6) (4) (8)
B
V = one-half (6) (4) (8)
C
V = one-third (6) (4) (10)
D
V = one-half (6) (4) (10)
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