Question

A tangent AB at a point 'A' of a circle of radius 7 cm meets a line through the centre 'C' at a point 'B' so that CB=11 cm, then the length of AB =

• A. $\sqrt{71}$ cm
• B. $6\sqrt{71}$cm
• C. 9 cm
• D. 12 cm

Answer 1

Answer: (B)

$6\sqrt{71}$cm

Answer 2

The correct option is (B): $6\sqrt{71}$cm