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- 1. Multiple Choice
What formula is this?
Arc length when θ is in radians
Arc length when θ is in degrees
Sector Area when θ is in radians
Sector Area when θ is in degrees
- 2. Multiple Choice
What formula is this?
Arc length when θ is in radians
Arc length when θ is in degrees
Sector Area when θ is in radians
Sector Area when θ is in degrees
- 3. Multiple ChoiceA region bounded by two radii of the circle and their intercepted arc is a ....arc of a circlearc length of a circlesector of a circlesegment of a circle
- 4. Multiple ChoiceThe distance along an arc measured in linear units.area of a sectorarc lengtharc of a circlesector of a circle
- 5. Multiple ChoiceFind the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.9.2 sq. in.10.5 sq. in.31.4 sq. in.38.2 sq. in.
- 6. Multiple Choice
When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees. What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.
40 ft
35 ft
55 ft
69 ft
- 7. Multiple Choice
Find the area of the shaded sector of the circle.
- 8. Multiple Choice
Stephanie is cutting a pie. Stephanie's mother wants one fourth of the pie. The diameter is 20 cm. What is the sector area of the pie her mother does not want?
235.62 cm squared
three fourths of the pie
78.54 cm squared
83.99 cm squared
- 9. Multiple Choice
In a circle, a 90° sector has area 64π in2. What is the radius of the circle?
16 in
32 in
64 in
128 in
- 10. Multiple Choice
A central angle measures 4 radians and has an arc length of 28 inches. What is the diameter of the circle?
14 inches
7 inches
49 inches
6 inches
- 11. Multiple Choice
The length of an arc is 12 cm and the radius of the circle is 6 cm. What is the radian measure of the central angle?
2 radian
6 radian
4 radian
1 radian
- 12. Multiple Choice
Find the area of a sector with an arc length of 30 cm and a radius of 8 cm.
240 cm2
80 cm2
120 cm2
180 cm2
- 13. Multiple Choice
What is the approximate length of the arc subtended by an angle of 5π/6 radians on a circle with radius of 5.00 meters?
50.27 meters
13.09 meters
15.71 meters
12.52 meters
- 14. Multiple Choice
Find the length of the arc shown in red.
8π ft
4π ft
2π ft
16π ft
- 15. Multiple Choice
What is the area of sector GPH?
9π yd2
32π yd2
18π yd2
6π yd2
- 16. Multiple ChoiceIf Pacman's mouth, when open, is 70° and the radius of his mouth is 8mm, what is the area of the rest of Pacman's body?161.97 mm2What's Pacman?39.1 mm29.77 mm2
- 17. Multiple ChoiceYou stop for lunch at a local pizza shop where each pizza is cut into 8 slices. Would your hunger be better satisfied with one slice from a 16 inch pizza or two slices from a 12 inch pizzaOne SliceTwo Slices
- 18. Multiple ChoiceWhat is 7π/4 radians in degrees?30013531545
- 19. Multiple ChoiceWhat is 4π/3 radians in degrees?
120240210270 - 20. Multiple ChoiceWhat is 60 degrees in radians?2π/3π/34π/3π/6
- 21. Multiple ChoiceWhat is 150 degrees in radians?5π/67π/65π/4π/6
- 22. Multiple Choice
The blade of a windshield wiper sweeps out an angle of 135 degrees in one cycle. The length of the arm is 38 inches from the pivot point, and the blade itself measures 20 inches. What area does the wiper cover in one cycle?
square inches
square inches
square inches
square inches
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