The line joining the points A(0, 5) and B(4, 1) is
a tangent to a circle whose centre C is at the point
(4, 4) find
Matching exercise
Match the items on the right to the items on the left.
the equation of the line AB.
the equation of the line through C which is
perpendicular to the line AB.
the coordinates of the point of contact of
tangent line AB with the circle.
