Two. One in which C is acute and one where it is obtuse.
there are 27 triangles in a triangle
There are 6 such triples.
There are 15 triangles in a 17-agon
15 triangles
depends on what size triangles and what kind of triangles?
180
there are 27 triangles in a triangle
There are infinitely many ordered pairs. One of these is (0, 0).
There are infinitely many answers and they comprise the coordinates of all points on the line that satisfy the equation.
There are 6 such triples.
There are 15 triangles in a 17-agon
It is the set of infinitely many ordered pairs, (x, y) such that the two satisfy the given equation.
10.
15 triangles!!!!!!!!!!
no triangles
it has 13 triangles
There are no triangles.