One Property of the Equilateral Triangle
- Author:
- Irina Boyadzhiev
- Topic:
- Equilateral Triangles
Given is an equilateral triangle ABC and a point D on the ray CB. Let x, y, z be the distances from the point D to the vertices A, B and C, respectively.
Prove that if point D is between A and B, ,and if point D is not between A and B, then .
See: Math. Mag. 88 (2015) 186