A Tangent to a Circle
Rotate Point B around the circle. Move point C to change the size of the circle. Pay attention to the angle between the radius and the tangent.
What is the angle between the radius and the tangent?
Point of Tangency
Properties of Chords in a Circle
Inscribed and Central Angles
Radius and Tangent Relationship
Partial Derivative in the x-direction
Tangent to a Circle
coordinate geometry for algebra3
Translation by Vector
Euclid I 7