116°

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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Solve for x.

This diagram represents a circle with two angles, one of which is 116°. The circle is divided into two segments by a straight line extending from the boundary of the circle through its center. The angle of 116° is clearly marked on one side of the line, while the other angle is denoted by \( x^\circ \).

To find the value of \( x \), we can use the fact that the sum of angles around a point is 360°. Specifically, in this case, since \( 116° \) and \( x \) form a linear pair and lie on a straight line through the center of the circle, their sum should equal 180°.

So, to solve for \( x \):

\[ 116° + x = 180° \]

Subtracting 116° from both sides gives:

\[ x = 180° - 116° \]
\[ x = 64° \]

Therefore, the value of \( x \) is \( 64° \).
Transcribed Image Text:This diagram represents a circle with two angles, one of which is 116°. The circle is divided into two segments by a straight line extending from the boundary of the circle through its center. The angle of 116° is clearly marked on one side of the line, while the other angle is denoted by \( x^\circ \). To find the value of \( x \), we can use the fact that the sum of angles around a point is 360°. Specifically, in this case, since \( 116° \) and \( x \) form a linear pair and lie on a straight line through the center of the circle, their sum should equal 180°. So, to solve for \( x \): \[ 116° + x = 180° \] Subtracting 116° from both sides gives: \[ x = 180° - 116° \] \[ x = 64° \] Therefore, the value of \( x \) is \( 64° \).
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