5
There are 3
no triangles
There are no triangles.
it has 13 triangles
There are 5 triangles in a heptagon
69
There are 3
The answer is 27 good luck
There is only one triangle. Or two if you count its mirror image as a different triangle.
there are 27 triangles in a triangle
There are 15 triangles in a 17-agon
15 triangles!!!!!!!!!!
no triangles
it has 13 triangles
There are no triangles.
15 triangles
depends on what size triangles and what kind of triangles?