Area Properties Of Triangles
Geometry
Level
3
In the above triangle which is divided into four regions, the numbers each refer to the area of the corresponding region.
What is the value of ?
Note: Image not necessarily drawn up to scale.
This is a shared problem from A. Gardiner's, An introduction to problem solving handbook. The triangle is not necessarily equilateral or isosceles.
by
Patryk Korczak