In the adjoining figure,the radius of a circle with centre C is 6 cm.Line AB is a tangent at A.Answer the following questions.(i)What is the measure of `/_CAB?why?

In the adjoining figure, the radius of a circle with centre C is 6cm, line AB is a tangent at A. Answer the following question (i) What is the measure of angle CAB ? Why? (ii) What is the distance of point C from line AB? Why? (iii) d(A,B)=6cm, find d(B,C). (iv) What is the measure of angleABC ? Why?

In the adjoining figure, the radius of a circle with centre C is 6 cm. Line AB is a tangent at A. d(A,B)=6 cm, find d(B,C).

In the adjoining figure, the radius of a circle with centre C is 6 cm. Line AB is a tangent at A. What the measure of /_CAB ? Why?

In the adjoining figure, the radius of a circle with centre C is 6 cm. Line AB is a tangent at A. What is the distance of point C from line AB?

Observe the figure and answer the following questions : What is the measure of angleAOC ?

In the adjoining figure, line PR touches the circle at point Q. Using the information given in the diagram, answer the following question: What is the sum of /_TAQ and /_TSQ ?

In the adjoining figure, the radius of the circle is 7 cm and m (arc MBN) = 60^@ . Find (i) Area of the circle

In the adjoining figure, point A is the center of the circle. AN=10 cm. Line NM is tangent at M. MN=5 cm. Find the radius.

Line l touches the circle with centre O at P,radius of the circle is 9 cm.Answer the following.(i)What is d(O,P)