



 
Hi Crystal, The point P is the point on the circle where the tangent lie is y = 1. The line segment CP is perpendicular to the line y = 1. Do you know why? What is the distance from P to C? This is the radius of the circle. Can you write the equation of the circle with this radius and centered at (2, 3)? Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 