Question

the diagonal of a square is 12 m long. find its area and perimeter​

Answer 1

Area of square =1/2 (d)^2
=1/2*12*12
=72cm Square
Side of square = root area
Root 2*2*2*3*3
=6*root2
=6*1.14
8.46 cm
Perimeter =4*8.46
33..84 cm