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To measure an angle, place the center of a
protractor on the vertex of the angle. Place
the zero mark of the scale along one side of
the angle. Read the angle measure where the
other side of the angle crosses the scale.
protractor on the vertex of the angle. Place
the zero mark of the scale along one side of
the angle. Read the angle measure where the
other side of the angle crosses the scale.
Measuring Angles( using a protractor
protractor
protractor
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