Answered: Find the lengths of the sides of the…

Find the lengths of the sides of the triangle with the vertices A(2, –1,4), В(-1,2, 7), and C (5, 2, 7). 1. |AB| = %3D 2. |AC| = %3D 3. | BC| = 4. Is AABC an isosceles triangle? ?

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter10: Analytic Geometry

Section10.CR: Review Exercises

Problem 37CR: Determine whether ABC, with vertices A0,0,0, B1,2,4, and C0,0,8, is an isosceles triangle.

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Question

Find the lengths of the sides of the triangle with the vertices A(2, –1,4),
В(-1,2, 7), and C(5, 2, 7).
1. |AB| =
%3D
2. |AC| =
3. |BC| =
4. Is AABC an isosceles triangle? ?

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