Question

The diagonal of a square is root 20 root 2 centimetre find the length of the site side of the square

Answer 1

Answer:

Step-by-step explanation:

Let the sides of square =x

Diagonal=12√2

By phytagoras

x^2+x^2=(12√2)^2

2x^2=144×2

x^2=144

x=√144

x=12

Side=12cm

Perimeter=4a

=4×12

=48cm