1. WELCOME Math 2 Last Night’s HW: None Chapter 9: Circles
Tonight’s HW: 10.1 Worksheet
Test: Next Wednesday/Thursday!

2. Warm Up 1. Factor: 2x2 + 3x - 9 Solve by factoring:

3. Chap 10: Day 1 Learning Target
Finding angles and arc lengths within Inscribed Polygons in circles.

4. Inscribed Polygon
If all vertices of a polygon lie on the side of a circle, then the polygon is Inscribed in the circle and the circle is circumscribed about the polygon.

5. Inscribed Triangles and Quadrilaterals
Right ∆ Theorem An inscribed ∆ is right IFF the hypotenuse is the diameter of the ⊙ AB is a Diam./Hypotenuse.
Quadrilateral Theorem
A quad. can be inscribed in ⊙ IFF the opposite angles are supplementary
∠𝑨+∠𝑫=∠𝑩+∠𝑪=𝟏𝟖𝟎⁰ A B A C C B D