Q2 of 7 Page 16

Classify the following curves as open or closed:

Closed curves: (ii), (iii) and (vi)


Open curves: (i), (iv) and (v)


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1

Draw rough diagram to illustrate the following:

(i) Open curve


(ii) Closed curve

 3

Draw a polygon and shade its interior. Also draw its diagonals, if any.

 4

Illustrate, if possible each one of the following with a rough diagram.

(i) A closed curve that is not a polygon.


(ii) An open curve made up entirely of line segments.


(iii) A polygon with two sides.

 5

Following are some figures: Classify each of these figures 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