Question

Area of square is 49 cm2

. Find its perimeter.

a) 35 cm b) 14 cm c) 30 cm d) 28 cm​

Answer 1

Answer:

Area of a square= l^2

so, 49 = l^2

or, l = √49

or, l = 7 cm

therefore perimeter = 4*l

so, perimeter = (4*7)cm = 28 cm

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