A tangent to a circle at point P is a straight line that touches the circle at P. The tangent is perpendicular to the radius which joins the centre of the circle to the point P. As the tangent is ...

You need both a point and the gradient to find its equation. You are usually given the point - it's where the tangent meets the circle. To find the gradient use the fact that the tangent is ...

Donald Trump once again went off on a bizarre tangent about circles during his Detroit rally on Thursday, October 10. “This ...

CBSE Class 10 Maths Chapter 10 Circles includes topics such as tangent to a circle, number of tangents from a point on a ...