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A triangle has sides with lengths of 4 meters, 5 meters, and 7 meters. Is it a right triangle?
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17 votes
17 votes
A triangle has sides with lengths of 4 meters, 5 meters, and 7 meters. Is it a right triangle?

A triangle has sides with lengths of 4 meters, 5 meters, and 7 meters. Is it a right-example-1
User Erich Kitzmueller
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1 Answer

5 votes
5 votes
No, Pythagorean theorem says a^2 + b^2 = c^2
Two shortest sides are legs (a and b) and the longest side is hypotenuse (c)
16 + 25 = 41
Square root of 41 is NOT 7
User Nikow
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