Given that the triangles JOE and SAN are similar the answers are:
1 True, because the inner angles of a triangle always add up 180 degrees
2 True, you use the angle-angle similarity criterion
3 False, this is not necessarily true
4 False, for this to be true the triangles have to be congruent
5 False, this is not necessarily true
6 False, because they are congruent
7 True, because the triangles are similar
