Q18 of 50 Page 6

Find the length of the side of a square whose area is 441 m2

Area of square = (x)2

where x is the side of square.

Area of square = 441 m2

x2 = 441

x =


The square root of 441 can be calculated as:



x = 21


Hence, the length of the side of the square is 21 m

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