CK-12 Geometry - Second Edition

(Marvins-Underground-K-12) #1

9.6. Segments of Chords, Secants, and Tangents http://www.ck12.org


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  1. Findxandy.


Review Queue Answers


1.m^6 DAC=m^6 DBCby Theorem 9-8, they are inscribed angles and intercept the same arc.
2.m^6 AED=m^6 BECby the Vertical Angles Theorem.


  1. Yes, by AA Similarity Postulate.
    4.^86 =EC^7
    8 ·EC= 42
    EC=^214 = 5. 25

  2. Yes, theECwould be the same and the ratio would still be valid.

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