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Adjacent Angles & Linear Pairs
Adjacent Angles
• Share a common side
• Share the same vertex
• Do not share any interior points
A
B
C
V
<AVB and <BVC are adjacent
Linear Pair
A linear pair consists of two adjacent angles whose noncommon sides are opposite rays.
Linear Pair Postulate: If two angles form a linear pair, then they are supplementary.
A V C
B
Vertical Angles
Vertical angles are two nonadjacent angles formed by two intersecting lines.
Angles <1 and <2 are vertical angles
1 2
Practice
• Textbook p113: 8-27
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