If triangle ABC with vertices A (-2, - 5), B (-3, 2), and C (1, - 2) a right triangle?

Question

Mathematics

Wendy Todd

6 October, 10:52

If triangle ABC with vertices A (-2, - 5), B (-3, 2), and C (1, - 2) a right triangle?

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Answers (1)

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Lea Wheeler · Answer 1

Hello:

A (-2, - 5), B (-3, 2), and C (1, - 2)

calculate : AB², AC², BC²

AB² = (-3 + 2) ² + (2 + 5) ² = 50

AC² = (1 + 2) ² + (-2 + 5) ² = 18

BC² = (1 + 3) ² + (-2 - 2) ² = 32

by petagor rule : AB² = AC² + BC² ... (ABC is a right triangle in : C)