Monday, August 24, 2009

Problem 346. Equal circles, Tangents, Hexagon, Semiperimeter

Proposed Problem
Click the figure below to see the complete problem 346 about Equal circles, Tangents, Hexagon, Semiperimeter.

Problem 346. Equal circles, Tangents, Hexagon, Semiperimeter.
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Complete Problem 346
Level: High School, SAT Prep, College geometry

Posted by Antonio Gutierrez at 8:11 PM
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1 comment:

  1. c .t . e. oJanuary 19, 2010 at 12:20 PM

    join A to C2, and B2 and so C, B

    ▲AHC2 ≡ ▲CHA2, ▲CFB1 ≡ ▲BFC1, ▲BDA1 ≡ ▲DAB2
    ( right tr 1) equal radius 2) vertical angles )

    HC2 ≡ HA2
    DA1 ≡ DB2
    FB1 ≡ FC1

    HC2 + DA1 + FB1 = HA2 + DB2 + FC1
    MC2+MH+DE+EA1+FG+GB1=HG+GA2+MB2+MD+EC1+EF
    but MC2=MB2, EA1=EC1, GB1=GA2 ( as tg from a point)

    MH + DE + FG = HG + MD + EF

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