What is the length of a square diagonal?

2 \sqrt{8}

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8 \sqrt{2}

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2 \sqrt{5}

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5 \sqrt{2}

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Solution

The correct option is B $8 \sqrt{2}$ yd
We know that diagonal of the square $=$ $\sqrt{2} a$
Where, $a =$ side
Therefore, length of a square diagonal $=$ $8 \sqrt{2}$ in.

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