Mark three non-collinear points `A ,\ B\ a n d\ C` in your not book. Draw lines through these points taking two at time. Name these lines. How many such different lines can be drawn?

There are ten points in the plane, no three of which are coolinear. How many different lines can be drawn through these points ?

Through three collinear points a circle can be draw.

Mark four points A,B,C and D in your notebook such that no three of them are collinear.Draw all the lines which join them in pairs as shown in Fig.How many such lines can be drawn? Write the names of these lines. Name the lines which are concurrent at A.

There are 15 points in a plane. No three points are collinear except 5 points. How many different straight lines can be formed?

In how many points two distinct lines can intersect?

mark any two points P and Q in your note book and draw a line passing through the points.How many lines can you draw passing through both the points?

Draw a line in your notebook and name it by taking any two points on it.

Many lines can pass through two given points

How many lines can be drawn passing through two given points ?