Illustrate, if possible, each one of the following with a rough diagram: (a)  A closed curve that is not a polygon. (b) An open curve made up entirely of line segments. (c)  A polygon with two sides.

Illustrate, if possible, each 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.

Draw rough diagrams to illustrate the following :(a) Open curve (b) Closed curve.

Draw rough diagrams to illustrate the following: (i) Open curve (ii) Closed curve

Classify the following as open curve, simple closed or not simple closed curve ? Identify which of the figures is a polygon. Give reasons. .

Which one of the following curves is the orthogonal trajectory of straight lines passing through a fixed point (a,b) ?

Which one of the following is NOT a characteristic of phylum Annelida (a) Closed circulatory system (b) Segmentation (c) Pseudocoelom (d) Ventral nerve cord

Write each of the following as decimals: (a) Three tenths (b) Two ones and five tenths (c) Thirty and one tenths (d) twenty two and six tenths (e) One hundred, two ones and three tenths

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

Write the truth value (T/F) of each of the following statements:(1) Any two similar figures are congruent.(2) Any two congruent figures are similar. (3) Two polygons are similar, if their corresponding sides are proportional.

Write which of the following are true and which are false? (i) Every ray has a finite length. (ii) Two lines intersect at a point. . (iii) A terminated line can be produced indefinitely on both the sides. (iv) A segment has one end point only. (v) If two circles are equl, then their radii are equal.