Question

select all the trapezoids.

Explanation:

Step1: Recall trapezoid definition

A trapezoid is a quadrilateral with exactly one pair of parallel sides.

Step2: Analyze each figure

The first figure has one pair of parallel sides (indicated by the red - arrows), so it is a trapezoid.
The second figure has one pair of parallel sides, so it is a trapezoid.
The third figure has one pair of parallel sides, so it is a trapezoid.
The fourth figure has one pair of parallel sides, so it is a trapezoid.

Answer:

All of the given figures are trapezoids.