Tuesday, January 20, 2009

Elearn Geometry Problem 228: Triangle, Midpoint, Exterior line

Triangle, Midpoints, Exterior line

See complete Problem 228 at:

Level: High School, SAT Prep, College geometry

Post your solutions or ideas in the comments.

1 comment:

  1. We have:
    in the trapezoid AA'B'B : d=(a+b)/2
    in the trapezoid BB'C'C : e=(b+c)/2
    in the trapezoid AA'C'C : f=(a+c)/2
    From this relations we have :