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Module 19: Lesson 4 Segment Relationships in Circles

Chord-Chord Product Theorem. Module 19: Lesson 4 Segment Relationships in Circles. If 2 chords intersect inside a circle, then the products of the lengths of the segments of the chords are equal. B. A. AC · CE = BC · DC. C. See example 1 page 1043. E. D. Secant-Secant Product Theorem.

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Module 19: Lesson 4 Segment Relationships in Circles

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  1. Chord-Chord Product Theorem Module 19: Lesson 4Segment Relationships in Circles If 2 chords intersect inside a circle, then the products of the lengths of the segments of the chords are equal. B A AC · CE = BC · DC C See example 1 page 1043 E D

  2. Secant-Secant Product Theorem If 2 secants intersect in the exterior of a circle, then the products of the lengths of one secant segment and its external segment equals the product of the lengths of the other secant segment and its external segment. BC · AC = CE · CD A B C D E See example 3 page 1045

  3. Secant-Tangent Product Theorem If a secant and a tangent intersect in the exterior of a circle, then the product of the lengths of one secant segment and its external segment equals the length of the tangent segment squared. A See example 4 page 1046 B C D

  4. Homework pages 1049-1053 #’s 5-20 (all)

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