Classify this figure on the basis of the following:
(i) Simple curve
(ii) Simple closed curve
(iii) Polygon
(iv) Convex polygon
(v) Concave polygon
(vi) Not a curve

Classify this figure on the basis of the following:
(i) Simple curve
(ii) Simple closed curve
(iii) Polygon
(iv) Convex polygon
(v) Concave polygon
(vi) Not a curve

Classify this figure on the basis of the following:

Following figure is a 

How many diagonals does the following have

A convex quadrilateral

How many diagonals does the following have

 A regular hexagon

How many diagonals does a triangle have? $\left(3/\text{None}/1\right)$

What is a regular polygon 

State the name of regular polygon of $3$ sides