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Lesson 7.2

Lesson 7.2. Geometer’s Sketchpad. C-61 If two chords in a circle are congruent, then they determine two central angles that are congruent. C-62 If two chords in a circle are congruent, then their intercepted arcs are congruent.

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Lesson 7.2

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  1. Lesson 7.2

  2. Geometer’s Sketchpad

  3. C-61 If two chords in a circle are congruent, then they determine two central angles that are congruent.

  4. C-62 If two chords in a circle are congruent, then their intercepted arcs are congruent.

  5. C-63 The perpendicular from the center of a circle to a chord is the perpendicular bisector of the chord.

  6. C-64 Two congruent chords in a circle are equally distant from the center of the circle.

  7. C-65 The perpendicular bisector of a chord passes through the center of the circle.

  8. If arc AB = 145o , find the value of angle x. O A x B 145o

  9. Find the value of x

  10. Find the value of x.

  11. If AB = 10 cm, find the length of AM.

  12. If arc AB = 215o , find the value of angle x. A O x 215o B

  13. Homework7.2p. 3351-6, 10-13, 16, 17

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