4.4 - Angle Relationships
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Practice Questions
Test your understanding with targeted questions
What is the measure of an angle that is complementary to a 40° angle?
💡 Hint: Remember complementary means they sum to 90°.
If two angles are supplementary and one measures 120°, what is the other angle?
💡 Hint: They must total 180°.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What do complementary angles sum to?
💡 Hint: Think about the meaning of 'complementary'.
True or False: Vertically opposite angles are always equal.
💡 Hint: Visualize two crossing lines and their angles.
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Challenge Problems
Push your limits with advanced challenges
If angle A and angle B are a linear pair and angle A measures 70 degrees, what are the measures of angle B and also the measure of angle C, which is vertically opposite angle B?
💡 Hint: Add to 180° for the linear pair, then find the opposite.
Given that angles A and B are supplementary and angle A is twice the measure of angle B, find the measures of angles A and B.
💡 Hint: Translate the relationship into an equation based on the sum.
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