Question

select all the quadrilaterals.

Explanation:

Step1: Recall quadrilateral definition

A quadrilateral is a polygon with 4 sides.

Step2: Analyze each shape

The blue - diamond shaped figure has 4 sides, the orange - shaped figure has 4 sides, the purple - diamond shaped figure has 4 sides. The green - shaped figure has 3 sides (it is a triangle).

Answer:

The blue - diamond shaped figure, the orange - shaped figure, the purple - diamond shaped figure