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Angle Terms
Vocabulary for Angles Types and Pairs
Term | Definition |
---|---|
Acute Angle | Angle whose measure less than 90 degrees. |
Obtuse Angle | Angle whose measure is greater than 90 degrees. |
Right Angle | Angle whose measure is equal to 90 degrees. |
Complementary Angles | Angles whose sum is equal to 90 degrees. |
Supplementary Angles | Angles whose sum is equal to 180 degrees. |
Vertical Angles | Opposite, congruent angles formed by intersecting lines. |
Linear Pair | Angles that share a common side and outside rays form a straight angle. |
Adjacent Angles | Angles that share a common side(ray). |
Ray | Contain one end point and extends indefinitely in the other direction. |
Vertex | Common endpoint of two rays that form an angle. |
Straight Angle | Angle whose opposite rays form a straight angle. |