15.
Take the number of sides and subtract 2. This always works.
A heptagon has 5 triangles.
7 triangles
There are 7 triangles in a nonegon
A heptagon has 5 triangles.
A pentagon has 3 triangles and 5 sides
there are 27 triangles in a triangle
There are 15 triangles in a 17-agon
15 triangles!!!!!!!!!!
None!!!! However, if the square is intersected by two diagonal lines, then eight(8) internal triangles can be found.
it has 13 triangles
There are no triangles.
15 triangles
depends on what size triangles and what kind of triangles?
A heptagon has 5 triangles.
7 triangles
There are 7 triangles in a nonegon
There are 186 triangles