Find the Radius of a Circle Given a Tangent | Geometry | Eat Pi
In this video, I teach you how to find the radius of a circle when given a tangent line and point. This can be done by realizing that tangents are perpendicular to radii, so we can use the Pythagorean Theorem to solve for missing side lengths of a right triangle.
If you have any questions, please leave them in the comment section below! Also, if you find the videos helpful, please like, share, and subscribe!