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If A(4,8,12), B(2,4,6), C(3,5,4) and D(5,8,5) are four points, show that the lines AB and CD intersect.

If A(4,8,12), B(2,4,6), C(3,5,4) and D(5,8,5) are four points, show that the lines AB and CD intersect.

Elementary Geometry for College Students
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter7: Locus And Concurrence
Section7.2: Concurrence Of Lines
Problem 1E
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If A(4,8,12), B(2,4,6), C(3,5,4) and D(5,8,5) are four points, show that the lines AB and CD intersect.
Transcribed Image Text:If A(4,8,12), B(2,4,6), C(3,5,4) and D(5,8,5) are four points, show that the lines AB and CD intersect.
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