Question

12. Find perimeter of a square if 1 point
its diagonal is 10√2 cm​

Answer 1

Step-by-step explanation:

THE PERIMETER OF SQUARE=40 CM

DIAGONAL=10√2 CM

LET THE SIDE OF SQUARE=A

A²+A²=(10√2)²

2A²=200

A²=100

A=10

PERIMETER OF SQUARE=4*SIDE

4*10

40 CM