Overview
Define a circle Explain why circles can be regarded as a conic section Find equations of a circle given radius and center Find the equation of a tangent to the circle Find length of tangent to circle from extended point
What you'll learn
- Definition of circle
- Equation of circle given center and radius
- General equation of a circle
- Finding center and radius of a given circle
- Finding the equation of a circle given the endpoint of the diameter
- Equation of circle passing through 3 points equation of a tangent to a circle
- Length of tangent to a circle