Which of the following is closest to the measure of the angle shown?
7/10 π
3/8 π
7/20 π
3/2 π
8. Multiple Choice
45 seconds
1 pt
Which of the following is closest to the measure of the angle drawn by the green curve?
5/6 π
5/3 π
4/5 π
4/3 π
9. Multiple Choice
15 minutes
1 pt
In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest tenth.
5.4
9.4
8.4
6.4
10. Multiple Choice
15 minutes
1 pt
In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the area of sector to the nearest tenth.
15.4
19.4
16.8
16.4
11. Multiple Choice
15 minutes
1 pt
Find the arc length. Leave your answer in terms of π.
7/4π
7/2π
1/8π
45π
12. Multiple Choice
15 minutes
1 pt
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 the hydrant is 165 degrees. What is the length of the arc from her dog house to the hydrant, arc DG, to the nearest foot.
40
35
55
69
13. Multiple Choice
15 minutes
1 pt
Find the arc length. Round to the nearest tenth.
A
B
C
D
14. Multiple Choice
15 minutes
1 pt
A cathedral window is shown. If the window is to contain three stained glass sections of equal size, what is the area of each stained glass section? Express answer to the nearest square foot.
1 sq. ft
13 sq. ft
3 sq. ft
26 sq. ft
15. Multiple Choice
15 minutes
1 pt
Find 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.
16. Multiple Choice
15 minutes
1 pt
If 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?
161.97mm2
What's Pacman?
39.1mm2
17. Multiple Choice
15 minutes
1 pt
Find the area of the shaded sector
55.2π
67.5π
75.6π
not in of information
18. Multiple Choice
30 seconds
1 pt
What is the formula for?
arc length
area of a sector
area of a segment
arc measure
19. Multiple Choice
30 seconds
1 pt
What is this formula used to find?
area of sector when the angle is in radians
area of the circle when the angle is in degrees
arc length of a sector when the angle is in radians
arc length of a sector when the angle is in degrees
20. Multiple Choice
30 seconds
1 pt
When do we use the formula S = r ⋅ θ
to find the arc length when the angle is given in radians
to find the arc length when the angle is given in degrees
to find the area of a sector when the angle is given in radians
to find the area of a sector when the angle is given in degrees
21. Multiple Choice
30 seconds
1 pt
Find the arc length, round to the nearest tenth
17.8 yds
35.6 yds
71.2 yds
53.7 yds
22. Multiple Choice
30 seconds
1 pt
A circular track that has radius of 70 meters. If the angle from the starting line to your current position is π/3 radians, how far did you go?
73.3 m
83.3 m
63.3 m
93.3 m
23. Multiple Choice
30 seconds
1 pt
Find the arc length, round to the nearest tenth
15.7 mm
23.6 mm
47.1 mm
212.1 mm
24. Multiple Choice
30 seconds
1 pt
Find the area of the sector
41.9 sq m
4.2 sq m
83.8 sq m
8.4 sq m
25. Multiple Choice
30 seconds
1 pt
Find the area of the sector round the nearest tenth
402.3 cm2
20.5 cm2
41.1 cm2
202.3 cm2
26. Multiple Choice
30 seconds
1 pt
Find the area of the piece of pizza if the blue central angle is 2π/5 radians and the diameter of the pizza is 18 in
50.9 sq in
69.6 sq in
35.3 sq in
41.8 sq in
27. Multiple Choice
30 seconds
1 pt
Find the measure of the central angle in radians
2.5 radians
25 radians
2.5 π 2.5π radians π π π π π π
25
28. Multiple Choice
30 seconds
1 pt
Find the radius of a central angle if the arc length is 35 in and the angle is 7 radians
5 in
42 in
28 in
15.7 in
29. Multiple Choice
30 seconds
1 pt
Find the measure of a central angle in radians if the arc length is 50 meters and the radius is 10 meters
5 meters
10 meters
40 meters
30 meters
30. Multiple Choice
30 seconds
1 pt
What is the best approximation of this angle?
8π/9
11π/9
13π/9
14π/9
31. Multiple Choice
30 seconds
1 pt
Which is the formula to find area of a sector when the central angle is in radians?
A = 1/2 θ⋅r2
A = 1/2 θ⋅r
A = 1/2 θ⋅d2
S = θ⋅r
32. Multiple Choice
30 seconds
1 pt
Which is the formula to find the arc length of a sector when the central angle is in radians?