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Question

The length of the diagonal of a square is (a+b) then its perimeter is

A
4(a+b)
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B
22(a+b)
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C
2(a+b)
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D
None of these
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Solution

The correct option is D 22(a+b)
Let the side of the square be x.

Since, the diagonal =(a+b)

We know that
2 x=(a+b)

x=(a+b)2

We know that the perimeter of the square
=4x

Therefore,
=4(a+b)2

=22(a+b)

Hence, this is the answer.

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