SOLUTION: How many square inches difference is there between the area of a 10 inch square and a surface containing 10 square inches?

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Question 25315: How many square inches difference is there between the area of a 10 inch square and a surface containing 10 square inches?
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
an area of a 10 inch square tells you there is a square of side 10 inches by 10 inches --> area is 100 square inches.

And the second, surface, is already 10 square inches.

So difference is 90 square inches.

Jon.