CK-12 Geometry - Second Edition

(Marvins-Underground-K-12) #1

7.5. Proportionality Relationships http://www.ck12.org



  1. FindBD.

  2. FindDC.

  3. FindDE.

  4. FindAC.

  5. We know thatBDDC=AEECandDEBA=BCDC. Why isDEBA 6 =BDDC?


Use the given lengths to determine ifAB||DE.


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Algebra ConnectionFind the value of the missing variable(s).


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