1. In your own words…… What is it called when we find the “space” inside a circle? What is the formula used to find the “space”? What is it called when we find the “distance” around a circle? What is the formula used to find the “distance”? M3U3D8 Warm Up area A=  r 2 circumference C=2  r or C=  d

2. HW Check

4. M3U3D8 Practice with Relationships of Circles, Angles, Arcs, and Sectors OBJ: Identify and describe relationships among inscribed angles, radii, and chords. Include the relationship between central, inscribed, and circumscribed angles; inscribed angles on a diameter are right angles; the radius of a circle is perpendicular to the tangent where the radius intersects the circle. G-C.2

5. FYI: Length of ArcArea of Sector

7. supplementary 360˚ 120˚ 105˚ 75˚ Opposite angles of an inscribed quadrilateral are supplementary.

8. A triangle inside a circle, a pentagon inside a circle, a circle inside a pentagon etc

9. inscribed in circumscribed about diameter semicircle 180˚ 90˚ An angle inscribed in a semicircle=90˚.

10. Arcs and Angles QUIZ AND Vocabulary Quiz Tomorrow

11. Classwork M3U3D7 Inscribed and Circumscribed Guided Practice Homework M3U3D7 Inscribed and Circumscribed Independent Practice Review Packet tomorrow, Take Home Test due Thursday!

12. Arcs and Angles Practice