Similar Triangles!!! (Sim Trig)

This is a set of two similar triangles that can be used to teach the similar triangles unit in mathematics. Several activities can be done including taking the triangles, a piece of paper, ruler and a protractor to show that all sizes of the triangles have the same side length ratio as well as angles. as shown in the photo. Another piece is get the students to place the small triangle inside the larger one to show that they fit together, ( if they don't fit together the small one is upside down ;) ).