A trapezium is a quadrilateral in which:

A trapezium is a quadrilateral in which:
  1. Both pairs of opposite sides are parallel
  2. Exactly one pair of opposite sides is parallel
  3. All sides are equal
  4. All angles are equal

Solution

By the standard NCERT definition, a trapezium has exactly one pair of parallel sides (the parallel sides are called the bases).

Asked in: IMO

Practice more UNDERSTANDING QUADRILATERALS questions on Aicharya