Question

The perimeter of a square is 84 cm. Find the length of its side. *​

Answer 1

Answer:

The perimeter of square = 4a

So,

4a = 84

a = 21

Therefore, the length of its side is 21 cm.

Hope it Helps ^_^

Answer 2

Answer:

its a square so all sides are equal

sides= 4

let all are length of l

so perimeter =4l=84

so l=84/4

21

length of each side = 21 cm