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jackie.burger
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An angle that measures exactly 90^{0}
^{right angle}

Two angles that add together to equal 90^{0}
^{complementary angle}

A ray that is part of an angle
side

an angle that measures greater than 90^{0} but less than 180^{0}
^{obtuse angle}

two angles that add together to equal 180^{0}
^{supplementary angle}

two rays with a common endpoint
angle

an angle that measures less than 90^{0}
^{acute angle}

the common endpoint of the two rays that form the angle
vertex

an angle that measures exactly 180^{0}
^{straight angle}

the most common unit of measure for angles

