A square has an area of 225 feet. find the length of each side

15 feet

Step-by-step explanation:

since area is base x height and a square has all equal sides, take the square root of the area to get the length of a side

the square root if 225 is 15

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step-by-step explanation:

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm