SOLUTION: A square mat has an area of 225 cm2.what is the length of each side of the mat?

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Question 652463: A square mat has an area of 225 cm2.what is the length of each side of the mat?
Answer by nerdybill(7384) About Me  (Show Source):
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A square mat has an area of 225 cm2.what is the length of each side of the mat?
.
Let x = length of one side of square mat
then
x%5E2+=+225
x+=+sqrt%28225%29
x+=+15
.
answer: 15 cm