A triangle is not a quadrilateral. A quadrilateral consists of four sides, and a triangle only has three.
Quadrilaterals, which have 4 sides, are not the same as triangles which have 3 sides. Some similarity exists in that both are geometrical figures.
Quadrilaterals are polygons with four sides. Triangles are polygons with three sides.
Not true because all quadrilaterals contain 2 triangles
No because all triangles have only 3 sides whereas quadrilaterals have 4 sides.
Quadrilaterals, pentagons, triangles, octagons, hexagons, decagons.
They are both polygons.
In general, no.
Rhombus
Yes
Circles differ from quadrilaterals and triangles primarily in their geometric properties; a circle is defined by all points equidistant from a center point, while quadrilaterals and triangles are polygonal shapes consisting of straight line segments. Quadrilaterals have four sides, and triangles have three, leading to distinct characteristics in their angles and symmetry. Additionally, circles have a constant curvature, whereas the sides of polygons create vertices and edges that define their shape.
No. Although for some 2-dimensional figures - some triangles and quadrilaterals - the term may be used in that way.
The reguar polygons are triangles, quadrilaterals and hexagons.