1.5: describe angle pair relationships - weebly · 2019. 9. 5. · 1.5: describe angle pair...
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1.5: Describe Angle Pair Relationships
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The sum of two angles are…
Complementary Angles
� If the sum of their measures is 90 degrees
� Each angle is the complement of the other
Supplementary Angles
� If the sum of their measures is 180 degrees
� Each angle is the supplement of the other
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Ex 1 : Identify
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Ex 2: Find Measures
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Ex 3
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Example 4
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Angle Pairs
Linear Pair
� Noncommon sides are opposite rays
Vertical Angle
� Sides form two pairs of opposite rays
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Ex 5: Identify Angle Pairs
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Ex 6: Find Angle Measures
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Ex 7
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Homework
� P. 38 (3-30)