Question

if the diagonal of a. square is 12cm then find its area and perimeter

Answer 1

area=72cm^2 and perimeter=approx 33.94cm

Answer 2

the formulae of area when diagonal is given...
A=1/2 d^2
=1/2 (12)^2
=1/2 144
= 72
and for perimeter
= 2underoot2d
=2-/2×12
=33.94 (approx.)