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Quizzes

1. Which of the following is a false statement?→A diameter of a circle is also a chord of the same circle.
2. O has a radius of 2 cm. What is the length of the longest chord of ⊙O you can possibly draw?𔾸 cm
3. In the figure below, AC and BD are diameters of ⊙O. AB must be congruent to what other segment?

CD

4. An angle is inscribed in a circle and intercepts an arc with measure 78°. What is the measure of the inscribed angle?󑴯°
5. In the figure below, points A, B, and C are on ⊙O. Which of the following must be true?

→m∠AOB = 2 × m∠ACB

6. In the figure below, points A, B, and C are on the circle and AB = BC = CA. What is the measure of arc AB?

�°

7. In the figure below, points A, B, and C are on the circle and ∠ACB is a right angle. Which of the following statements must be true?

AC > AB

8. Which of the following measures cannot be the measure of an inscribed angle?�°
9. An inscribed angle has a measure of 45°. What is the measure of the arc it intercepts?�°
10. An inscribed angle has a measure of 58°. What is the measure of the arc it intercepts?�°
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