Arc Length and Sector Area
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Mathematics
9th Grade
CCSS covered
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the arc length of a circle with radius 5 and central angle 60 degrees.
The arc length is 5π units.
The arc length is 25 units.
The arc length is 30 units.
The arc length is 10π units.
Tags
CCSS.HSG.C.B.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the area of a sector with radius 8 and central angle 45 degrees.
40
4π
64
32π
16π
Tags
CCSS.HSG.C.B.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A circle has an arc length of 12π and a central angle of 150 degrees. Calculate the radius of the circle.
4
6
8
10
Tags
CCSS.HSG.C.B.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine the area of a sector with radius 10 and arc length 12.5.
The area of the sector is 31.25 square units.
The area of the sector is 15 square units.
The area of the sector is 100 square units.
The area of the sector is 25 square units.
Tags
CCSS.HSG.C.B.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the arc length of a circle is 8π and the radius is 4, find the central angle.
π/2
3π
2π
16
Tags
CCSS.HSG.C.B.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the area of a sector with radius 6 and central angle 120 degrees.
72π square units
30π square units
18π square units
36π square units
Tags
CCSS.HSG.C.B.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A circle has a central angle of 90 degrees and an arc length of 4π. Find the radius of the circle.
16
12
8
6
Tags
CCSS.HSG.C.B.5
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