Question

select all the quadrilaterals

Explanation:

Step1: Recall definition of quadrilateral

A quadrilateral is a polygon with 4 sides.

Step2: Analyze first shape

The first shape is a triangle with 3 sides, so it is not a quadrilateral.

Step3: Analyze second shape

The second shape is a rectangle which has 4 sides, so it is a quadrilateral.

Step4: Analyze third shape

The third shape is a pentagon with 5 sides, so it is not a quadrilateral.

Step5: Analyze fourth shape

The fourth shape is a trapezoid which has 4 sides, so it is a quadrilateral.

Answer:

The rectangle and the trapezoid (the second and fourth shapes) are quadrilaterals.