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) (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.