find the area of square whose diagonal is 12 cm
Hamy009:
area is 72 cm^2
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let side of square be a
diagonal of square = 12cm
also diagonal = a√2
a√2 = 12
a = 12/√2
a= 6√2
area of square = a^2
= (6√2)^2
= 36×2
= 72 cm^w
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