Question

the diagonal of a square is 40 cm find the side of the square​

Answer 1

let the side of the square be 'a'

diagonal of the square=40cm

formula to find out the diagonal of the square=√2a

√2a=40

2a(sq.)=1600 (by squaring both the sides)

a(sq.)=1600÷2

a=√800

a=28.28cm (ANSWER)

HOPE IT HELPS YOU

Answer 2

MARK AS BRAINLIEST..

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diagonal of a square =side √2

40cm = side √2

side =40÷√2

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side=28.29