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WorksheetsArc Length/Sector Area Skills Check
Total questions: 10
Worksheet time: 34mins
Name
Class
Date
1.
What is circumference?
a)
The distance around a circle
b)
The amount of space inside a circle
c)
The number of degrees around a circle
d)
The space outside a circle
2.
What formula is used to determine the circumference of a circle?
a)
C=πr
b)
C=πr2
c)
C=πd
d)
C=πd2
3.
What fraction of the circle is arc RS?
a)
80
b)
2/9
c)
8/10
d)
1/4
4.
What is the length of arc RS (in terms of π)?
a)
2/9 π in.
b)
20/3 π in.
c)
10/3 π in.
d)
10/9 π in.
5.
What is the area of the shaded sector (in terms of π)?
a)
60π mm2
b)
120π mm2
c)
124π mm2
d)
150π mm2
6.
What is the length of arc AB (rounded to the nearest tenth)?
a)
4.7 units
b)
9.4 units
c)
1.5 units
d)
56.5 units
7.
What is the area of the shaded sector (rounded to the nearest tenth)?
a)
16.8 cm2
b)
8.4 cm2
c)
50.3 cm2
d)
4.2 cm2
8.
Select the true statement.
a)
circumference is used when finding sector area
b)
circumference is used when finding arc measure
c)
circumference is used when finding arc length
d)
circumference has nothing to do with circles
9.
What formula is used to determine the area of a circle?
a)
πd2
b)
πd
c)
πr
d)
πr2
10.
Which of the following measures is labeled in square units?
a)
arc measure
b)
sector perimeter
c)
arc length
d)
sector area
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