Mathematics, 22.09.2020 03:01 twocutebabe26
Let A = (−3, 2), B = (1, 0), and C = (4, 6). Prove that △ABC is a right-angled triangle. Let u = AB, v = BC, and w = AC. We must show that u · v, u · w, or v · w is zero in order to show that one of these pairs is orthogonal.
u · v =
u · w =
v · w =
Since , △ABC is a right-angled triangle.
A. AB ⊥ BC
B. BC ⊥ AC
C. AB ⊥ AC
Answers: 3
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Let A = (−3, 2), B = (1, 0), and C = (4, 6). Prove that △ABC is a right-angled triangle. Let u = AB,...
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