A right triangle is not a quadrilateral. In fact, no triangle is a quadrilateral. The definition of a quadrilateral is having 4 sides, while all trianlges must have 3 sides, making a triangle that is a quadrilateral impossible.
A right triangle is not a quadrilateral. A quadrilateral is a polygon with four sides, while a right triangle has only three sides.
a quadrilateral
isosceles triangle
No. Quadrilateral means "four sides." Triangles have three sides.
A, a triangle
Triangle, quadrilateral or hexagon. Triangle, quadrilateral or hexagon. Triangle, quadrilateral or hexagon. Triangle, quadrilateral or hexagon.
No triangle is a quadrilateral.
No because a quadrilateral has 4 sides whereas a triangle has 3 sides.
A right triangle
it is a somehow slanted triangle.
A right angle triangle
A quadrilateral triangle is an impossible shape. A quadrilateral has four straight sides while a triangle has three.