Answered: Sove for 115 (9x+7)°

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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Step 1

To solve for x :

There are two parallel lines in the given figure.

A line intersects these two parallel lines at two distinct points. Hence that line will be a transversal line.

If two parallel lines are cut by a transversal then the corresponding angles are equal.

Hence the angle opposite to ${(9 x + 7)}^{0}$ is $115^{0}$

Since ${(9 x + 7)}^{0} a n d 115^{0} a r e v e r t i c a l l y o p p o s i t e a n g l e s$ . They are equal.

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