Question

1 select all the polygons.

Explanation:

Step1: Recall polygon definition

A polygon is a closed - plane figure made up of straight line segments.

Step2: Analyze Option A

It is a closed figure with straight - line segments, so it is a polygon.

Step3: Analyze Option B

It has curved parts, so it is not a polygon.

Step4: Analyze Option C

It is a closed figure with straight - line segments, so it is a polygon.

Step5: Analyze Option D

It is a closed figure with straight - line segments, so it is a polygon.

Step6: Analyze Option E

It has curved parts, so it is not a polygon.

Step7: Analyze Option F

It is a 3 - D shape, and polygons are 2 - D, so it is not a polygon.

Answer:

A. The arrow - shaped figure, C. The star - shaped figure, D. The triangular figure