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?