Question

find lenght of the side of a square whose area is 441 m2​

Answer 1

Answer:

Let the side be = x

$\color{black}\boxed{\colorbox{saffron}{Area - side×side}}$

${441}^{2} = x \times x \\ \\ {441}^{2} = {x}^{2} \\ \\ = 21 \times 21 = x \\ \\ x = 21$

So, side = 21m

Answer 2

Answer:

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