1. Warm up: Solve for x 1.) 2.) 4.) 3.) 124◦ 70◦ x 18◦ x 260◦ x 20◦ 110◦

2. The amount of space occupied.
Area of Circles
The amount of space occupied. r
A = pr2 

3. Find the EXACT area.
8. r = 29 feet
9. d = 44 miles

4. 10 and 11 Find the area. Round to the nearest tenths.
53 cm
7.6 yd

5. Area of a Sector
the region bounded by two radii of the circle and their intercepted arc.

6. Area of a Sector

7. Find the area of the sector to the nearest hundredths.
Example 12
Find the area of the sector to the nearest hundredths. R
6 cm
60 Q
A  cm2

8. Find the exact area of the sector.
Example 13
Find the exact area of the sector.
6 cm
120
7 cm Q R

9. (Area of sector) – (Area of triangle)
Example 14
Area of minor segment =
(Area of sector) – (Area of triangle) R Q
12 yd

10. Textbook
p. 232 #1 – 6, 10-12, pg pg and 18 and 19