Question

find the side and perimeter of a square whose diagonal is 10 cm ​

Answer 1

$\bf{\large{Answer}}$

diagonal of a square = root (2) × side

10 = root 2 × side

10 / root 2 = side

5 root 2 = side

perimeter of square = 4 × side

perimeter of square = 4 × side i.e = 4× 5 root 2