Identify trapeziums

Key Notes:-

A trapezium is a quadrilateral with one pair of parallel sides.

A quadrilateral is a four-sided polygon.In diagrams, we mark parallel sides with matching arrows.

Learn with an example

Is this polygon a trapezium?

  • yes
  • no

To see if a polygon is a trapezium, first check that it is a quadrilateral.

Then check that it has one pair of parallel sides.This polygon has four sides. It is a quadrilateral.

This quadrilateral also has a pair of parallel sides. Parallel sides are usually marked with matching arrows.

So, it is a trapezium.

Is this polygon a trapezium?

  • yes
  • no

To see if a polygon is a trapezium, first check that it is a quadrilateral.

Then check that it has one pair of parallel sides.This polygon has four sides. It is a quadrilateral.

This quadrilateral also has a pair of parallel sides. Parallel sides are usually marked with matching arrows.

So, it is a trapezium.

Is this polygon a trapezium?

  • yes
  • no

To see if a polygon is a trapezium, first check that it is a quadrilateral.

This polygon does not have four sides. It is not a quadrilateral.

So, this polygon is not a trapezium.

let’s practice!