1. Bellwork
Questions 3 & 4 from the EOC packet

2. Rigor and Relevance
Find the measures of angles formed by lines that intersect circles.
Use angle measures to solve problems relating to satellites and optometry.

4. Example 1: Using Tangent-Secant and
Tangent-Chord Angles
Find mEFH and

5. Example 2: Finding Angle Measures Inside
a Circle
Find mAEB.

6. Example 3: Finding Measures Using
Tangents and Secants
Find the value of x in each diagram. A.

7. Example 4: Optometry
Two of the six muscles that control eye movement are attached to the eyeball and intersect behind the eye. If mAEB = 225, what is mACB?

8. Example 5: Ferris Wheel
3. An observer watches people riding a Ferris wheel that has 12 equally spaced cars.
Find the value of x.

9. Turn in your core book to page 520 for 1 more theorem

10. 12-5 Assignment
Core book pg 521 #3 – 7, 13 & pg 522 #1 - 5
AND
Textbook pg 835 #17, 20, 21, 26