Quadrilaterals are polygons with four sides. Triangles are polygons with three sides.
No because all triangles have only 3 sides whereas quadrilaterals have 4 sides.
They are both polygons.
In general, no.
The reguar polygons are triangles, quadrilaterals and hexagons.
No actually none are because quad means four and squares and rectangles and stuff like that are quadrilaterals
Quadrilaterals and triangles.