11.6 Notes
Date: ____________________________
Reminder:
Area of a circle =
Circumference =
Sector
Area of a sector
Segment
Area of a segment
Practice
1. Given a circle with a diameter of 10.
a. Find the circumference.
b. Find the area.
2. Find the circumference of a circle whose area is 49π square units.
3. Find the area of a sector with a radius of 12 and a 45° arc.
 is 90° . The radius of the circle is 10. Find the area of the segment.
4. The measure of the arc of a segment AB