8.2 Angle Pairs and their Relationships€¦ · 82 Angle Pairs notes.notebook 1 Apr 712:14 PM 8.2...
Transcript of 8.2 Angle Pairs and their Relationships€¦ · 82 Angle Pairs notes.notebook 1 Apr 712:14 PM 8.2...
82 Angle Pairs notes.notebook
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Apr 712:14 PM
8.2 Angle Pairs and their Relationships
Apr 712:14 PM
Adjacent Angles Angles that have a common vertex, a common side, but no common interior points.
82 Angle Pairs notes.notebook
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Complementary Angles Supplementary Angles • Two (or more) angles whose measures have a sum of 900.• Each angle is the complement of the other.• May or may NOT be adjacent.
• Two (or more) angles whose measures have a sum of 1800.• Each angle is the supplement of the other.• May or may NOT be adjacent.
∠1 and ∠2 are complementary.
∠A and ∠B are complementary.
∠3 and ∠4 are supplementary.
∠C and ∠D are supplementary.
Apr 712:37 PM
Linear pair angles • Two adjacent angles are a linear pair when their uncommon sides are opposite rays (line).• Linear pair angles are supplementary.
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• Angles whose sides form opposite rays.• Vertical Angles have equal measure.
Vertical Angles
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Name all angles shown.
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Identify the relationship between angles a & b.
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Identify the relationship between angles a & b.
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Find the measure of angle b.
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Solve for x.
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Find the measure of AED.Find the measure of ABD.
A
BC
D
E
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