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Question

If one of the diagonals of square is 8 cm, then the length of the other diagonal is .

A
4 cm
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B
8 cm
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C
6 cm
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D
5 cm
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Solution

The correct option is B 8 cm
Let consider a square ABCD, AC and BD are diagonals of the square.
Given, one of the diagonal of the square (AC) = 8 cm.According to the property of the parallelogram,
Diagonals of a square are equal and bisect each other at right angles.
So, AC = BD.

Hence, the length of the diagonal (BD) is 8 cm.

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