https://docs.google.com/document/d/1y_ETCyYvXeuMtlZRHhNbKRib9UMVC1TcRRh0MUZRewQ/edit?usp=sharing
Recall that the Pythagorean Theorem can be used to find the distance from one point to another by drawing a right triangle and solving for the hypotenuse. Use the Pythagorean Theorem to find the length of the radius of a circle given a point on the circle and the center of the circle. [br]