Question

the area of square Park is 400 m find it's area and perimeter​

Answer 1

$\huge\star\underline\mathfrak\green{Answer}$

Perimeter of square= 4×side

therefore,

4a= 400m

a= 400/4 = 100m

side= 100m

area= side×side

area= 100×100

= 10000m^2