Definitions
A portion of a circle bounded by an arc and two radii
Sector
How many places should you round your intermediate value to? (the fraction times pi)
4
1) what is the area of a sector in a circle with diameter = 24 and central angle = 55 degrees?
69.1
1. what is the arc length of DE if the measure of angle DOE = 130; the diameter is 26 units long
29.5
The part or segment of the circumference of a circle
Arc
A sector whose central angle measures 216° has an area of 92.4 square feet. What is the approximate radius of the circle?
7
2) what is the area of a sector in a circle with diameter = 15 and the other two central angles are 60 and 65 degrees?
115.4
3. what is the arc length of BC if the measure of angle COB = 37; the radius is 8 units long
5.2
The length of the line from the center to any point on its edge
Radius
1) In a circle the area of a sector is 12.1 square feet with a sector degree of 154. What is the radius of the circle?
3
What is the area of a sector in a circle with diameter = 10cm and central angle = 70 degrees?
15.3
4. what is the arc length of CBD if the measure of angle COB = 50; the diameter is 30 units long
81.2
The length of the line through the center that touches two points on the edge of the circle
Diameter
2) The arc length of a circle is 41.9 yards and has an arc measure of 300 degrees. What is the radius of the circle?
8
3) what is the area of two sectors in a circle with radius = 6m and central angle = 150 degrees each?
94.2
What is the arc length of a circle if the diameter =20in and the central angle is 65 degrees?
11.3