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Lateral Surface Area of a Cube

The surface a...

Question

The surface area of a cube whose edge equals to 3cm is:

A

62 sq.cm

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B

30 sq.cm

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C

54 sq.cm

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D

90 sq.cm

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Solution

The correct option is C 54 sq.cm
Explanation: Given, a = 3 cm
Surface area of cube = $6 a^{2}$
SA = 6 x 3 x 3 = 54 sq.cm.

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