6.1 - Introduction
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Practice Questions
Test your understanding with targeted questions
What do you call the angles that sum up to 90°?
💡 Hint: Think about complementary - what does it mean?
Define a ray in geometry.
💡 Hint: What is the defining characteristic of a ray?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What are the angles that sum to 180°?
💡 Hint: Think about the prefix 'sup' in supplementary.
True or False: Vertically opposite angles are always equal.
💡 Hint: Reflect on what happens at the intersection of lines.
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Challenge Problems
Push your limits with advanced challenges
Given two intersecting lines form an angle of 75° and its vertically opposite angle, calculate and find all four angle measures formed.
💡 Hint: Think about the relationships of intersecting angles.
You construct a triangle with one angle measuring 45°, find the other two angles if they are supplementary to 90°.
💡 Hint: Remember the properties of triangles and angles.
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Reference links
Supplementary resources to enhance your learning experience.