Find the area of the dark blue sector shown at the left. The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units. Express answer to thenearest tenth of a square unit.
Finding Arc Length and Sector Area Radians

Quiz
•
Mathematics
•
10th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
0.3 square units
15.7 square units
19.7 square units
50.3 square units
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The distance along an arc measured in linear units.
area of a sector
arc length
arc of a circle
sector of a circle
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A region bounded by two radii of the circle and their intercepted arc is a ....
arc of a circle
arc length of a circle
sector of a circle
segment of a circle
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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.
47
74
94
123
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.
MATCH QUESTION
1 min • 1 pt
Match the answers to the following problems.
Problem 2
Problem 3
Problem 1
Problem 4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the arc length. Leave your answer in terms of π.
7/4π
7/2π
1/8π
45π
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