Find the side and perimeter of a square whose diagonal is 10 cm.
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diagonal =side×root2
side=diagonal/root2
=10/root2
=5root2 cm=5×1.414=7.07cm
perimeter =4×side=4×5root2=20root2= 28.28cm
side=diagonal/root2
=10/root2
=5root2 cm=5×1.414=7.07cm
perimeter =4×side=4×5root2=20root2= 28.28cm
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