1. 11.5 Area of Circles and Sectors

2. Theorem The equation for the Area of a Circle Area equals radius squared times pi.

3. Theorem The equation for the Area of a Circle Area equals radius squared times pi.

4. Definition of a Circle Sector A circle sector is a fraction of the circle enclosed by two radii and an arc.

5. Theorem The Equation for the Area of a Sector

6. Theorem The Equation for the Area of a Sector

7. Find the Radius The Sector Area is

8. Find the Radius The Sector Area is

9. Find the Radius The Sector Area is

10. Find the Radius The Sector Area is

11. Find the Shaded Area Hint : find the Area of the Circle – the Area of the triangle

12. Find the Shaded Area Hint : find the Area of the Circle – the Area of the triangle

13. Find the Shaded Area Hint : find the Area of the Circle – the Area of the triangle

14. Find the Shaded Area Hint : find the Area of the Circle – the Area of the triangle

15. Homework Page 695-698 #10 – 28 even, 31 – 37, 40, 41, 43 - 44