1. Shaded regions of circles and other polygons
Any Way you Slice it
Shaded regions of circles and other polygons

2. Shaded region
Overall idea Find the area of the larger figure and subtract the area of the other figures to get the left over

3. Example
You have done some of these already.

4. Parts of Circles - Sector
Chord – segment inside a circle touching two points Sector of a Circle – region between two radii and an arc of the circle, slice of pizza

5. Practice

6. Parts of Circle - Segment
Segment of a circle – is the region between a chord and an arc of a circle, crust of pizza

7. Practice

8. Concentric Circles – same center
different radius
Annulus – the region between
two concentric circles

9. Practice

10. More Practice

11. Homework
Pg 455 1,2,4-9,11,12 Honors 13