Proving the converse of the Pythagorean theorem means that when for a triangle ABC with ​ of a, b, and c, triangle ABC .

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verticles
angles
side lengths
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(a+b)²=c²
a²×b²=c²
a²+b²=c²
(You know the deal)
Is always a right triangle
Is never a right triangle
I will give brainliest!