# Which is a quadrilateral with only one pair of opposite sides parallel?

A quadrilateral is a closed polygon formed by four line segments.

## Answer: Trapezium

Let's know more about trapezium.

**Explanation:**

The trapezium is the quadrilateral that has one pair of parallel sides. The figure of a trapezium is shown below.

add the vertices in figure: A, B, C and D

Here, AB || CD.

Hence, ABCD is a trapezium.

### Therefore, the trapezium is a quadrilateral with only one pair of opposite sides parallel.

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