SOLUTION: The perimeter of a square is 100 inches. How many square tiles 1 inch on each edge are needed to cover its area?

Question 286437: The perimeter of a square is 100 inches. How many square tiles 1 inch on each edge
are needed to cover its area?
Found 2 solutions by jim_thompson5910, mestrydilip:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
The perimeter of a square is which means that . Solve for s to get . So the length of the side is 25 inches long.

The area of a square is . In this case, . So the area of the square is 625 square inches. Since each tile has a side length of 1 inch, the area of each individual tile is square inch.

So you'll need tiles to cover the square.
Answer by mestrydilip(13) (Show Source): You can put this solution on YOUR website!
Perimeter of a square = 4 X Side
100 = 4 X Side
Side = 25 inches.
Area = Side X Side
Area = 25 X 25 = 625 Square Inches
Area of Tile with 1 Inch Side = 1 Square Inch.
No. of Square Tiles = 625
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