Question

Bill wants to build a wooden railing around his square patio patio has an area of 25 ft.² bill will put up the railing on three of the sides how much wood does bill need?

Answer 1

area=legnth timwe width
square, legnth=width

areasquare=legnth^2
aera=25
25=legnt^2
sqrt both sides
5=legnth

3 sides
side=5
3 times 5=15

15 feet