Find whether each of the following number is a perfect square are not 121,55,81
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1. 11×11= 121 (perfect square)
2. 55 isn't a perfect square...
3.9×9 =81 ( perfect square) ..
Hope it helps!
2. 55 isn't a perfect square...
3.9×9 =81 ( perfect square) ..
Hope it helps!
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