Question

4. The area of a square field is 100 acres. Find its perimeter.

Answer 1

40

Explanation:

Assuming that square has 4 sides equal to to each other

We can say "a" for each side

The forumla for area of the square is
`a^(2)`

And the perimeter forumla is 4a

`a^(2)`=100

a=10

4a=40