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WorksheetsCircumference, arc length, area and sector of circle
Total questions: 15
Worksheet time: 3hrs 39mins
Name
Class
Date
1.
Find the length of the bold arc.Leave pi in your answer.
a)
5688π ft
b)
15.8π ft
c)
150.4π ft
d)
54,150 ft
2.
Find the area of each sector.
a)
52.4 in2
b)
18,864 in2
c)
60 in2
d)
10.47 in
3.
What is the area of the shaded sector?
a)
339.12 in2
b)
113.04 in2
c)
339.29 in2
d)
None of the above
4.
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.
a)
40
b)
35
c)
55
d)
69
5.
Find the circumference of the circle
a)
87.82
b)
153.86
c)
43.96
d)
307.72
6.
What is the area of this circle?
a)
8322.13
b)
1134.11
c)
4536.46
d)
1267.09
7.
Alison is jogging on a circular track that has a radius of 140 feet. She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.
a)
47
b)
74
c)
94
d)
123
8.
What is the circumference of this circle with a diameter of 12cm?
a)
3.14 cm
b)
37.7 cm
c)
24 cm
d)
68.4 cm
9.
Find the length of the arc.
a)
31.42cm
b)
15.71cm
c)
282.74cm
d)
23.56cm
10.
what is the area of this semicircle with a diameter of 8 cm?
a)
100.48cm2
b)
80cm2
c)
200.96cm2
d)
none of the above
11.
A circle has an circumference of 56.52 cm. Find the area of the circle.
a)
1017.36 cm2
b)
254.34 cm2
c)
3194.51 cm2
d)
798.63 cm2
12.
Calculate the LENGTH of arc PX.
a)
49.7 ft
b)
15.8 ft
c)
24.9 ft
d)
3.14 ft
13.
Calculate the LENGTH of arc ADC.
a)
5040 cm
b)
43 cm
c)
44 cm
d)
14 cm
14.
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?
a)
161.97 mm2
b)
What's Pacman?
c)
39.1 mm2
d)
9.77 mm2
15.
Suppose an arc has a length of 100 miles and an arc measure of 240°. What would be the radius of the circle?
a)
47.746 miles
b)
150 miles
c)
23.873 miles
d)
10 miles
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