What is the length of the tangent to the circle x²+y²=9 from the point (4,0)
A√7 units
B√6 units
C√11 units
D√17 units
A√7 units
B√6 units
C√11 units
D√17 units
Related Questions:
In the figure O is the centre of the circle and AB is a diameter. angle ∠BOC = 90° . The measure ∠OAC is: