Question

2) The diagonal hypotenious of square is 10cm, then find its length of side and perimeter
of square​

Answer 1

Step-by-step explanation:

let sides be'a'

10² = a² + a²

100 = 2a²

a² = 50

a = 5√2

therefore sides are 5√2 cm

perimeter p = 4×5√2 => 20√2 cm