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Question

Find the area(in sq. cm) of a square whose perimeter is 36 cm.

A
18
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B
36
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C
54
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D
81
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Solution

The correct option is D 81
Perimeter of square = 4 × side
Side = 36÷4
Side = 9 cm
Therefore, the area of the square
= side x side
= 9 x 9
= 81 sq. cm

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