1. L.T. 11.3: Find the area of sectors

2. Math Humor What is the difference between the diameter and radius?
The radius!!!

4. Example 1
Find the area of the sector. Give answers in terms of  and rounded to the nearest hundredth.
164.6 m2

5. Example 2
A windshield wiper blade is 18 inches long. To the nearest square inch, what is the area covered by the blade as it rotates through an angle of 122°?
345 in2

6. segment of a circle A region inside a circle bounded by a chord and an arc.

7. Example 3 Find the area of segment RST to the nearest hundredth.

8. LT 11.4 Find Arc Length

10. Example
Find Give answers in terms of  and rounded to the nearest hundredth. FG

11. Example 7
If the arc length of a circle is 5cm and the diameter is 10cm, what is the measure of the angle?