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

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

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

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

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

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

Area of a Sector

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  18.85 cm2

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

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

Textbook p. 232 #1 – 6, 10-12, pg. 234 10-12. pg. 186 12- 15 and 18 and 19