### Home > A2C > Chapter 11 > Lesson 11.2.2 > Problem11-58

11-58.

Draw a circle and a line tangent to it at any point $P$on the circle. Now draw a line from the center of the circle through point $P$.

1. What do you know about these two lines?

Drag the two points around to transform the circle.

2. What do you know about the slopes of the lines?

Click the link at right for the full version of the eTool: A2C 11-58 HW eTool