Question

A sq garden plot is to have an area of 400 sq ft. what is tge length of one of its sides?

Answer 1

A sq garden plot is to have an area of 400 sq ft. what is tge length of one of its sides?​

The area of a square is equal to

A=b^2

where

b is the length of one side

we have

A=400 ft2

substitute

400=b^2

square root both sides

20=b

b=20 ft

answer is 20 ft