|
|
Geometry Problem 531: Triangle, Angle Bisector, Midpoint, Parallel, Perimeter, Semiperimeter
|
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.
|
|
|
|
|
|
|
|