Tuesday, June 10, 2008

Elearn Geometry Problem 118



See complete Problem 118
Area of Triangles, Incenter, Excenter. Level: High School, SAT Prep, College geometry

Post your solutions or ideas in the comments.

2 comments:

  1. [DBE]=0.5(p-b).r_A
    [FCE]=0.5(p-c).r_A
    p-b+p-c=a
    [BEC]=0.5a.r_A=[DBE]+[FCE]
    we have
    S1+[BGE]+S2+[CHE]=S3+[BGE]+[CHE]
    S1+S2=S3
    .-.

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