Question

The diagonal of a square is 72 cm. Find the side of a square​

Answer 1

Answer: 2a²=72

=>√2a²=√36×√2

=>a√2=6√2

Therefore,

a=6 cm

Answer 2

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Formula

➦ $d \: = \: \sqrt{2} a$

Solving for a .

$\sqrt{2} \frac{d}{2} \: = \sqrt{2}. \frac{72}{2} \: = 50.91cm$