1. Given here are some figures :


Classify each of them on the basis of the following :

(a) Simple curve

(b) Simple closed curve

(c) Polygon

(d) Convex polygon

(e) Concave polygon

The classification of the given figures is as under :
(a) (1), (2), (5), (6), (7) and (8) are Simple curves.

(b) (1), (2), (5), (6) and (7) are Simple closed curves.

(c)(1) and (2) are Polygon.

(d)(2) is Convex polygon.

(e) (1) and (4) are Concave polygons.