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Total Surface Area of a Cuboid

The volume of...

Question

The volume of a cube is $64$ cubic inches. What is its surface area?

A

84

square inches

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B

94

square inches

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C

96

square inches

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D

98

square inches

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Solution

The correct option is C $96$ square inches
Let the length of side of square is $a$
Volume of square is $a^{3} = 64$ , which implies $a = 4$
Surface area of square is $6 a^{2} = 6 \times 16 = 96$

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