Let A(1, 1,1), B(3, 2,2), and C(2, 2,4).Prove that ABC is a right-angled triangle
Chapter 1, Problem 1.2.31(choose chapter or problem)
Let A(1, 1,1), B(3, 2,2), and C(2, 2,4).Prove that ABC is a right-angled triangle
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