Yes, the triangle with side lengths of 5 inches, 12 inches, and 15 inches is a right triangle because it satisfies the Pythagorean theorem:
5^2 + 12^2 = 25 + 144 = 169 = 13^2
where 13 is the length of the hypotenuse.
A triangle is formed with side lengths of 5 inches, 12 inches, and 15 inches. Is the triangle a right triangle?
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