SOLUTION: A triangle has side lengths of 8cm, 5cm and 9 cm is the triangle a right triangle

Question 783472: A triangle has side lengths of 8cm, 5cm and 9 cm is the triangle a right triangle

Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!
In a right triangle where a and b are the legs, and c is the hypotenuse, which is the longest side.

Check if

25 + 64 = 89, which is not 81 (9 squared). This is not a right triangle.

Pyhtagorean Triples are sets of numbers, side lengths, that make up right triangles. If you memorize the first few Pythagorean Triples, problems like this are easy.

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