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: Angle DBA and angle ABC are supplementary angles. If angle ABC is 40°, what is angle DBA?
B
C
A
D
150°
140°
130°
Instructions: 1. Read the given question. 2. Evaluate its prime factors. 3. Click the correct type.
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