Multiple Choice
A concrete product is being designed. It is a cube 2 ft on a side. To reduce the weight of the final product, it will be "voided" using a cardboard box. 2 in. of concrete must be maintained and there is no concrete on the bottom -- see the illustration below.
What size sheet of cardboard can this shape be cut from?
A) 77 in. 64 in.
B) 77 in. 63 in.
C) 81 in. 64 in.
D) 81 in. 81 in.
E) 81 in. 63 in.
Correct Answer:

Verified
Correct Answer:
Verified
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