Count the Triangles

Depending on your interest in puzzles esp. of a mathematical variety then this may be nearly trivial (I say nearly because I had to stop myself once or twice from declaring a too quick answer and look deeper).

I'm going to let Chiara tackle it, should be a good challenge for her and help teach her her to take her time and be thorough!

http://www.msn.com/en-ca/lifestyle/whats-hot/no-one-can-work-out-how-many-triangles-are-in-this-picture/ar-AAoUVES?ocid=ientp