

Thales' theorem states that if a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, then it divides the other two sides in the same ratio.
For the proof of this theorem, you can refer to the following link for the video solution.
https://www.youtube.com/watch?v=vIrsC7ZlSZE&list=PLph3YM7PV2E7wIMeSDtvomkBjh-K_RntT&index=7
