9 - CIRCLES
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Practice Questions
Test your understanding with targeted questions
What is the definition of a chord?
💡 Hint: Think about the line connecting two points on the circumference.
State Theorem 9.1.
💡 Hint: Consider equal lengths of line segments.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Theorem 9.1 state?
💡 Hint: Review the section discussing equal chords.
True or False: The angle subtended by a chord at the center is always larger than 90 degrees.
💡 Hint: Consider the position of the chords in a circle.
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Challenge Problems
Push your limits with advanced challenges
Prove that if two arcs of a circle are congruent, then their corresponding chords are equal.
💡 Hint: Think about how arcs relate to the chords they subtend.
A cyclic quadrilateral has angles A, B, C, and D such that A + C = 180°. Prove that it is cyclic.
💡 Hint: Relate properties of angles and the definition of cyclic quadrilaterals.
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