Tangent Lines Intersecting Angle
- Author:
- ironwoodMB
- Topic:
- Angles, Straight Lines
You can drag point B anywhere. Notice how the tangent segment are equal in length.
Also, notice how the sum of the two angles always add up to the same total.
You can also change the size of the radius of the circle by sliding the r.
What angle can the central angle not go past? Why not?