Hour of Math · SS2 · Unit SSGM11

The Tangent and the Radius: The Right Angle at the Point of Contact

Define a tangent and its point of contact, state that the radius drawn to the point of contact is perpendicular to the tangent, and use that right angle with the triangle angle-sum and the isosceles radius triangle to solve essay-style problems, giving a reason for each step.

Loading lesson…