Friday, January 21, 2011

Problem 571: Circle, Diameter, Chord, Perpendicular, Measurement

Geometry Problem
Click the figure below to see the complete problem 571.

Problem 571: Circle, Diameter, Chord, Perpendicular, Measurement.
Zoom at: Geometry Problem 571

Posted by Antonio Gutierrez at 9:41 PM
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3 comments:

  1. PravinJanuary 22, 2011 at 8:47 AM

    ACG///DBF;ACE///ABC;ADF///DFB;BDF///BAD
    x/DF = AC/BD
    x^2 = (AC^2)(DF^2)/(BD^2)
    = (AE.AB)(AF.FB)/(BF.AB)
    = AE.AF =4x9
    x=6

    ReplyDelete
  2. Peter TranJanuary 22, 2011 at 11:20 PM

    A nice solution

    Peter

    ReplyDelete
  3. AnonymousJanuary 23, 2011 at 6:40 AM

    There's a problem with the construction.
    (AE and EF)

    ReplyDelete

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