Tangent Line to Circle Theorem
For Problem Type 1, choose the correct answer choice from the drop down menu.
When you have chosen the correct answer, it will turn green.
For Problem Type 2, find the correct value for r and type it into the box then press enter.
If your answer is correct, it will turn green.
Click "New Problem" to see another example problem of the same type.
Click "Switch Problem Types" to move between the two types of problems.