A secant which meets the circle at A and B is dragged up until A, B concide at a point. What is that point called?
Point of secant
Point of contact
End Point of secant
Tangent
As A and B coincide to P, the given line becomes a tangent at P. P is called Point of contact.
A secant which meets the circle at A and B is dragged up until A and B concide at a point. What is that point of coincidence called?