Triangle
the fire trangle is the trangle that is on fire
180
a+b+c
A scalene triangle.
Right Triangle
A rectanglular is a trangle
1
Take a different route...
Eqiilateral trangle i
A triangle has 3 vertices
None; because there is no justification for assuming that the two triangles (or trangles, as you prefer to call them) are similar.
press up +trangle