isRightTri Write the function isRightTri (p,q,r) that takes 3 points in 2-space, representing the three vertices of a triangle T and returns True if T is a right triangle and False otherwise. Each point is a tuple of 2 floats. You should call dist2 (the function you just defined) several times to solve this problem. Using python.

along with a good tester for this problem.

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