Answered: . Show that if A = 3a, + 2a, - a,, B =… | bartleby

Elementary Geometry For College Students, 7e

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

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

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

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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3. Show that if A%3DЗа, + 2а, — а,, В %3D 4а, - 8а, - 4а, and C %3D 7а, - 6а, -5а, then A, B and
C form a right angle triangle.

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Step 1

Given that: $A = 3 a_{x} + 2 a_{y} - a_{z} B = 4 a_{x} - 8 a_{y} - 4 a_{z} C = 7 a_{x} - 6 a_{y} - 5 a_{z}$

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