Seven points lie on a circle. How many chords can be drawn by joining these points.

Given three distinct points in a plane, how many lines can be drawn by joining them?

How many chords can be drawn through 21 points on a circle?

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

If A, B, C, D, E and F are 6 distinct points on the circumference of a circle, how many different chords can be drawn using any 2 of the 6 points ?

How many lines can be drawn through three colinear points

How many lines can be drawn through a given point.

How many lines can be drawn through. one point M?

How many lines can be drawn through. two points A and B ?

How many line can be drawn through a given points?

A fixed point P is given. How many rays can be drawn with P as initial point?