In a circle, a 90° sector has area 64π in2. What is the radius of the circle?
Area Sector and Arc Length

Quiz
•
Mathematics
•
10th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
16 in
32 in
64 in
128 in
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.
9.2 units
8.8 units
8.4 units
8.1 units
3.
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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.
9.2 sq. in.
10.5 sq. in.
31.4 sq. in.
38.2 sq. in.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the area of each sector.
6.4 m2
7.9 m2
9.8 m2
11.8 m2
6.
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
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The distance along an arc in linear units.
area of a sector
arc length
arc measure
segment of a circle
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