Question

if two circle are touching externally, how many common tangent of them can be drawn?​

Answer 1

three tangents

There can be three tangents in common. The one tangent will be at the point of touching where the two circles are touching each other. The point of contact of both the circles. The second tangent will be at the bottom which will touch both the circles.

Answer 2

If two circle are touching externally, there will be 3 common tangent of them can be drawn.