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Available Worksheets
Example:
B
C
A
80o
40o
55o
Example: Are ∠AEC and ∠DEA adjacent angles?
E
C
A
B
D
False
True
Example: If angle AEC is 40° and angle DEC is 180° then what is angle DEA?
E
C
A
B
D
150°
140°
130°
Example: Angle DBA and angle ABC are supplementary angles. If angle ABC is 40°, what is angle DBA?
B
C
A
D
150°
140°
130°
Example: Line AB and Line CD are intersecting lines. If angle AEC is 40°, what is angle AED?
E
C
A
B
D
150°
140°
130°
Example: Angle DBA and angle ABC are supplementary angles. If angle ABC is 40°, what is angle DBA?
B
C
A
D
150°
140°
130°
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