find the area of the square the length of whose diagonal is 72cm
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area of diagonal =√2X side
√2X72=144 the solution answer =√12
√2X72=144 the solution answer =√12
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diagonal of square = root (side ×side) square.
72= s×s
root72=s
area of square. = root 72×root 72
= 6 root2×6root2
=36×2
=72
72= s×s
root72=s
area of square. = root 72×root 72
= 6 root2×6root2
=36×2
=72
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