Question

The diagonalof a square is 12 cm long. Find its area and perimeter​

Answer 1

Answer:

area =72 perimeter =33.946

Answer 2

Step-by-step explanation:

let side of the square = a

perimeter of the square=4a

diagonal of the square=√2*a

12=√2*a

a=12/√2

a=2*6/√2=√2*√2*6/√2=6√2

a=6√2

4a=24√2cm