Find the missing angle on a line. Sample:

Take a look at these angles. Notice that they form a straight angle. Find the missing angle.

Duane Habecker, 03/14/2010, Created with GeoGebra

Self-check

Q1: What is the measure of the missing angle?

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Q2: What is the measure of the missing angle?

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Q3: What is the measure of the missing angle?

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