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to 80° MathBits Find xº. 145⁰

to 80° MathBits Find xº. 145⁰

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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to 80° MathBits Find xº. 145°
Transcribed Image Text:to 80° MathBits Find xº. 145°
Expert Solution
Step 1: External angle theorem of a triangle

According to External Angle theorem of a triangle , An ecterior angle of a triangle is equals to 

the sum of two interior angles 

Given Interior angles are 80 degree space a n d space x degree

Given Exterior angle is 145 degree

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