Recent Additions
|
Problem 441: Quadrilateral, Triangle, Area, Proportion, Measurement,
Similarity
The figure shows a quadrilateral ABCD
with
.
Lines BF and CE intersect at G. Lines AF and DE intersect at H.
S is the area of quadrilateral EGFH, S1, and S2
are the areas of triangles BCG and ADH, prove that S = S1
+ S2.
|