Circle: Tangents

Author:
sthwaits
Topic:
Circle
Tangents to a Circle Three tangents are drawn tangent to the circle at the points of tangency A, B, and C. What to do: Click and drag points A, B, and C to move them around. What hypothesis can you make about the angle at which the radius intersects a tangent line? Click on the "Show angles" checkbox to display the angles of intersection and check your hypothesis.