The original price is f an item is $25, but after the discount, you only have to pay $18.50. Whats is the discount ( as a percen
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For this case we have that by definition, if we draw the diagonal of a square two rectangular triangles are formed. If the diagonal measures "x", then the Pythagorean theorem is fulfilled:
Where:
l: It's the side of the square.
We know that the area of a square is given by:
So, the area is:
Answer: