# Circles and the angles formed by tangents.

## Play around with the points to see what happens to the angles.

Move C to create a angle. What is the measure of the other angle? What is the difference between the 2 angles? What do you notice between the difference and angle D?

## Play around with the points to see what happens to the angles.

Move C to create a angle. What is the measure of the other angle? What is the difference between the 2 angles? What do you notice between the difference and angle D?

## Play around with the points to see what happens to the angles.

Move C to create a angle. What is the measure of the other angle? What is the difference between the 2 angles? What do you notice between the difference and angle D?

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