Construct a tangent to a circle of radius 3cm at a point on the circle without using the centre?

Construct a tangent to a circle of radius 3cm at a point on the circle

1.	Construct a tangent to a circle of radius 3cm at a point on the circle without using the centre?
Answer» Draw two cords on the circle. Perpendicularly bisect them. The point of their intersection is the centre. Then procecessed as in other cases