Question

find the side and perimeter of a square whose diagonal is 15√2 cm​

Answer 1

Answer:

If the diagonal of a square is 15m then its side is 15 sin 45 = 15/√ 2 = 10.60660172 cm.

The area is thus 10.60660172^2 = 112.5 sq cm and the perimeter = 10.60660172 * 4 = 42.42640687 cm.