4.1 Give the relationship between x and y in each of the following. Give the reason for each statement. O is the centre of the circle. 4.1.1 4.1.2 4.1.3 Given 4.1.4 4.1.5 tangent V Relationship between x and y (2) (2) (2) (2) (2) Reason (2) (2) (2) (2) (2