Special Pairs of Angles

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Presentation transcript:

Special Pairs of Angles Section 2-4 Special Pairs of Angles

Complementary Angles are complementary angles Two angles whose measures have the sum of 90 degrees 1 2 are complementary angles Each angle is called the complement of the other. Ex: is the complement of

Supplementary Angles are supplementary angles. Two angles whose measures have the sum of 180 degrees 3 4 are supplementary angles. Each angle is called the supplement of the other. Ex: is the supplement of

Need to know the following theorem: Vertical Angles Formed when two lines intersect. Need to know the following theorem: Vertical Angles are Congruent. In other words, vertical angles have the same angle measure. 1 2