There are: 13-2 = 11 triangles
There are: 23-2 = 21 triangles
many triangles does a regular 46-gon have
18 triangles can be found in a 20-agon
20 isosceles triangles with each base being a side of the 20-gon, and the opposite vertices at the center of the polygon.
There are 15 triangles in a 17-agon
There are N triangles in a N-gon
There are 48 triangles in a 50-gon polygon
There are: 13-2 = 11 triangles
There are: 23-2 = 21 triangles
There are 20
N
14
There are 11
1000
48
many triangles does a regular 46-gon have