Fact there IS such thing as four sided triangles, no they aren't polygon's yes they are triangles, do some research on it?
no
Sorry, there is no such thing as a rectangular triangle.
no
There is no such thing as a 'no cornered; triangle. The word 'triangle' means ' three angles' thereby it has three corners. Another word for a triangle, but not generally used is a 'trigon'.
It's very difficult to determine an answer, sincethere is no such thing as a rectangular triangle.
A quadrilateral
Outside Inside Foursided
No; there is no such thing as a cutie triangle.
There is no such thing as a 3D triangle.
There is no such 'triangle'.
no
There is no such thing as a triangle with twelve sides.
there is no such thing as a square triangle
Sorry, there is no such thing as a rectangular triangle.
No, there is no such thing.
There is no such thing.
Yes