Answer:

a , d are polygon

others are not bcz they are not closed ....

c and e not bcz they are not made up of line segments

.....their one side is curved

Answer:

Plz Mark as Brilliant

Polygons are 2-dimensional shapes. They are made of straight lines, and the shape is "closed" (all the lines connect up).

Step-by-step explanation:

so A and D are polygons.

In c and e there is curve.

in b and f figures are not closed.