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2014-10-06T12:34:19+05:30

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Area of a square of side a = a²

given that a² = 441 m²
⇒a = √441 m²
⇒a = 21m

Side of square is 21m.
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2014-10-06T12:36:11+05:30
Let length be x

area=441
area of a square = S*S

X²=441
x= √441
x=21
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