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WorksheetsCircle's Review K
Total questions: 15
Worksheet time: 27mins
Name
Class
Date
1.
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.
a)
5
b)
9
c)
8
d)
6
2.
When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees. What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.
a)
40
b)
35
c)
55
d)
69
3.
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.
a)
0.3 square units
b)
15.7 square units
c)
19.7 square units
d)
50.3 square units
4.
Find the exact area of the shaded space.
a)
36π units squared
b)
48π units squared
c)
157.82 units squared
d)
10. 92 units squared
5.
Stephanie is speaking to student body. She is also setting up before the speech starts. Stephanie needs to know the sector area of the circular room, where the students are sitting. She measured the radius of the room to be fifty-two feet and the measure of the angle she is speaking in to be twenty-three degrees. Find the sector area for where the students can sit.
a)
7952.14 ft
b)
8000.47 meters
c)
7952.14 meters
d)
10 ft
6.
Find the measurement of the angle
a)
A
b)
B
c)
C
d)
D
7.
Find the measurement of the angle
a)
A
b)
B
c)
C
d)
D
8.
Find the measurement of the angle
a)
123°
b)
57°
c)
132°
d)
66°
9.
Find the length of the segment
a)
A
b)
B
c)
C
d)
D
10.
A segment of a circle, is a portion of a circle that is formed by a sector and a triangle. To find its area, you simply find the area of the sector and subtract the area of the triangle (using the formula from the beginning.) Try - it, find the area of the segment of the circle.
a)
603.2 units2
b)
109.0 units2
c)
353.8 units2
d)
249.4 units2
11.
Find the area of the segment.
a)
(36π - 18) cm2
b)
(9π - 18) cm2
c)
(9π - 36) cm2
d)
None of these are the area
12.
Find x
a)
10
b)
5
c)
18
d)
9
13.
Use chords to solve for x
a)
x = 6 cm
b)
x = 3 cm
c)
x = 4 cm
d)
x = 6 in
14.
In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?"
a)
-15
b)
6
c)
15
d)
14
15.
Use chords to solve fox
a)
x = 35o
b)
x = 50o
c)
x = 70o
d)
x = 140o
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