length of tangent to a circle

Here you will learn what is the length of tangent to a circle formula from an external point with example. Let’s begin – Length of Tangent to a Circle Formula The length of tangent drawn from point (\(x_1,y_1\)) outside the circle S = \(x^2 + y^2 + 2gx + 2fy + c\) = 0 is, […]