no triangles
it has 13 triangles
There are no triangles.
All triangles have exactly 3 sides. That is what the word triangle means, a geometrical figure having 3 angles and 3 sides. Always 3.
Two triangles
there are 27 triangles in a triangle
The word "read" has three phonemes: /r/ /ee/ /d/.
There are 15 triangles in a 17-agon
Read a book
15 triangles!!!!!!!!!!
no triangles
it has 13 triangles
There are no triangles.
15 triangles
depends on what size triangles and what kind of triangles?
All triangles have exactly 3 sides. That is what the word triangle means, a geometrical figure having 3 angles and 3 sides. Always 3.
A heptagon has 5 triangles.