Ans 3:
Class : Class 8
polygons are any shape from a 3 sided triangle to infinite sided infigons so this all are non regular shaped polygons
Ans 9:
Class : Class 6
The option is C because a polygon is a shape made up of straight lines. The shapes given above have straight lines so it is a polygon.
Ans 14:
Class : Class 2
This isn't wrong, anyone. It is option C - Polygons. You should read the synopsis to understand the question.