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Terms in this set (8)
Degree is a unit of measure that results when a half-circle is divided into 180 equal parts.
Measure of the Angle
The measure of an angle is the size of an angle, which is measured in degrees or radians.
Two angles whose measures have a sum of 90 degrees are called complementary angles.
Two angles whose measures have a sum of 180 degrees are called supplementary angles.
A linear pair is a pair of adjacent angles formed by intersecting lines. Angles 1 and 2 below are a linear pair. Linear pairs of angles are supplementary.
A Right Angle
A right angle is an angle with a measure of 90°.
An angle that has a measure of less than 90°.
An angle that has a measure of more than 90 degrees and less than 180 degrees.
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