The practical side of Pythagoras. Suppose you are building a patio and you want to make certain that the sides of your patio meet at right angles. Using the converse of the Pythagorean Theorem that appears at the end of Mindscape 22, give a practical and easy method to check that the angle between two adjacent sides is 90°.
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Label these sides as \( a \) and \( b \). Show more…
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