Day 6 Angles Formed by Tangents and Chords

 

Theorem:

 

 

 

 

If a tangent and a chord intersect at a point on a

circle, then the measure of each angle formed is one half the

measure of its intercepted arc. 

 

 

 

 

Proof:

 

 

Click here to examine angles formed in Circles

 

 

Go to Day 7