Given that m∠AOB = 13π/18 and the radius is 8 cm, what is the length of arc AB?
Arc Length Radian and Sector Area

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
13π/8 cm
52π/9 cm
π/9 cm
9π/52
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given that m∠AOB = 13π/18 and the radius is 8 cm, what is the sector area?
208π/9 cm2
416π/9 cm2
52π/9 cm2
26π/9 cm2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the length of the arc shown in red.
8π ft
4π ft
2π ft
16π ft
5.
MATH RESPONSE QUESTION
1 min • 1 pt
The diagram shows a sector of a circle of radius 4 units, formed from an angle of size 135°.
Find the length of the arc rounded to two decimal places.
Mathematical Equivalence
ON
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
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