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![Geometry Problems, Online Education](h_geometry_problem_910.jpg)
Geometry Problem 531: Triangle, Angle Bisector, Midpoint, Parallel, Perimeter, Semiperimeter
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The figure shows a triangle ABC of
semiperimeter "s" with the angle bisector BD. If E is the midpoint of AC
and EF is parallel to BD, prove that s = AF + AE = CE + BC + BF.
![Triangle, Angle Bisector, Midpoint, Parallel, Perimeter](p531_triangle_perimeter.gif)
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