Find the third angle of a triangle if the sum and difference of the first and second ongle are 100 degrees and 20 degrees, repectively.

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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Find the third angie of a triangle if the sum and difference of the first and second ongle are 100
degrees and 20 degrees, repectively.
Transcribed Image Text:Find the third angie of a triangle if the sum and difference of the first and second ongle are 100 degrees and 20 degrees, repectively.
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