Thursday, April 29, 2010

Problem 441: Quadrilateral, Triangle, Area, Proportion, Measurement, Similarity

Geometry Problem
Click the figure below to see the complete problem 441 about Quadrilateral, Triangle, Area, Proportion, Measurement, Similarity.

Problem Problem 441: Quadrilateral, Triangle, Area, Proportion, Measurement, Similarity.
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Complete Problem 441

Level: High School, SAT Prep, College geometry

Posted by Antonio Gutierrez at 9:15 PM
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2 comments:

  1. KIM YOUNG DONGApril 29, 2010 at 11:22 PM

    because tr(DCE)=tr(CBF)+tr(ADF)(http://gogeometry.blogspot.com/2010/04/problem-433-quadrilateral-triangle-area.html),
    tr(DCE)=qd(EGFH)+tr(GCF)+tr(HDF)=tr(GCB)+tr(GCF)+tr(ADH)+tr(HDF)
    QED.

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  2. c .t . e. oApril 30, 2010 at 8:34 AM

    name a area of GCF and b area of FHD
    from P433
    S1 + a + S2 + b = S + a + b

    S1 + S2 = S

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