Question

State which of the following are polygons :

(i)

(ii) 

(iii)  

(iv)

(v)

(vi)

If the given figure is a polygon, name it as convex or concave.

Answer 1

Only Fig. (ii), (iii) and (v) are polygons.

Fig. (ii) and (iii) are concave polygons while

Fig. (v) is convex.