Saturday, August 9, 2008

Elearn Geometry Problem 159



See complete Problem 159
Distances from the Circumcenter to the Incenter and the Excenters. Level: High School, SAT Prep, College geometry

Post your solutions or ideas in the comments.

2 comments:

  1. R²-2Rr+R²+2Rr1+R²+2Rr2+R²+2Rr3
    =4R²+2R(r1+r2+r3-r)
    =4R²+2R(r+4R-r)
    =12R²
    .-.

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  2. http://ahmetelmas.wordpress.com/2010/05/15/geo-geo/

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