10 triangles
10 triangles make a decagon
depends on the side of the triangles?
It needs only 2 triangles to construct a parallelogram
n - 2 triangles
There are 6 triangles in an octagon
10 triangles
10 triangles make a decagon
27 triangles make up an Icosihenagon
depends on the side of the triangles?
you can make 76 different triangles on a 3x3 grid
3 triangles make up a hexagon.
It needs only 2 triangles to construct a parallelogram
n - 2 triangles
two
2
six