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Question

Find the perimeter of a square of area
49 cm2

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Solution

Let side of square be 'a' cm
Area of square =a2 sq. cm
Given a2=49cm
a=7cm
Perimeter of side =4a=4×7
=28cm.

1216153_1401146_ans_f16ffb4c1a9c45f3a92c9e4d67fe9453.jpg

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