1000
15
Triangles are the strongest structure in the world - most bridges etc include triangular metal parts to strengthen the bridge. I reccommend that you somehow create many triangles and support your textbook on top of these triangles.
two right triangles
They are Similar triangles if they have the same angles. it they are exactily the same they are Equaltrial.
there are 27 triangles in a triangle
There are 15 triangles in a 17-agon
15 triangles
15 triangles!!!!!!!!!!
it has 13 triangles
no triangles
There are no 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