How many least number of distinct points determine a unique line?

In Fig. 7.17, name the following:

(i) Five line segments.

(ii) Five rays.

(iii) Four collinear points.

(iv) Two pairs of non-intersecting line segments.

Fill in the blanks so as to make the following statements true.

(i) Two distinct points in a plane determine a ………..line.

(ii) Two distinct ………….in a plane cannot have more than one point in common .

(iii) Given a line and a point, not on the line, there is one and only……… line which passes through the given point and is ……. To the given line.

(iv) A line separates a plane into …… parts namely the ……. The itself.

How many lines can be drawn through both of the given points?

How many lines can be drawn through a given point.