supplementary angles, and a pair of adjacent
TRANSCRIPT
Chapter 1.5.notebook
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Bellwork:Find and if
Y
X
W
Z
(3x+6)o
(2x9)o
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Chapter 1.5.notebook
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Chapter 1.5: Describe Angle Pair Relationships
Complementary Angles are two angles that sum to 90.
Supplementary Angles are two angles that sum to 180.
Adjacent angles are angles that have a common vertex and side.
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ex. In the figure, name a pair of complementary angles, a pair of supplementary angles, and a pair of adjacent angles.
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ex. Given that is a complement of and
find
ex. Given that is a supplement of and
find
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ex. When viewed from the side, the frame of a ballreturn net forms a pair of supplementary angles with the ground. Find and
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Two adjacent angles are a linear pair if their noncommon sides are opposite rays.
Two angles are vertical angles if their sides form two pairs of opposite rays.
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ex. Identify all of the linear pairs and all of the vertical angles in the figure.
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ex. Two angles form a linear pair. The measure of one angle is 5 times the measure of the other. Find the measure of each angle.
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Homework: Ch 1.5 pg.38 #'s 5,6,814e,1722,31,32,40,44