Triangle
a polygon
Triangle
a quadrilateral
A 5 sided pentagon
A triangle
A closed figure made up of line segments is called a polygon. The segments in a polygon are called sides or edges.
A Triangle
Triangle
a polygon
Triangle
This is the description of a triangle.
A triangle is a geometric figure that is made of three line segments. It is a closed figure and has three angles.
a quadrilateral
A geometric figure that has three line segments for sides is a triangle. Rectangles and squares are made of four line segments, while a circle is made out of a pair of arcs.
A 5 sided pentagon
US DefinitionA trapezoid is a closed plane figure consisting of four line segments/sides; two of these line segments are parallel (but not equal in length) and two are nonparallel.(in the UK, this is called a trapezium)British DefinitionA trapezoid is a closed plane figure consisting of four line segments/sides; NONE of these line segments are parallel to any of the other line segments of the quadrilateral.(in the US this is just a quadrilateral)*(see the related links for images of trapezoids)