Geometry, Theorems and Problems

Geometry Problem 245. Parallelogram with Equilateral triangles. Congruence

In the figure, equilateral triangles BCE and CDF are constructed on the sides BC and CD of a parallelogram ABCD. Prove that AEF is an equilateral triangle. View or post a solution.


Elearning 245: Parallelogram and equiilateral triangles 


Home | Geometry | Problems | 241-250 | Email | by Antonio Gutierrez