Question

The diagonal of the square is 5√2m. Find the area and perimeter..?

Answer 1

Using Pythagoras Theorem,
a² + a² = 50 m²
2a² = 50 m²
a² = 25 m²
a = 5 m
Area = a² = 25 m²
Perimeter = 4a = 4 × 5 m = 20 m.

Answer 2

d=a√2
=)5√2=a√2
=)a=5

area = 5*5=25m^2
perimeter = 4*5=20