Similarities of triangles?

Answer:

all the interior angles add up to 180 degrees, they all have a hypotenuse side (the longest side) ,there is too much to write down, if you have any more questions, just ask me.:)

First answer by ID3705917196. Last edit by Mathsgenius14. Contributor trust: 2 [recommend contributor recommended]. Question popularity: 1 [recommend question].