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Unit 10 Quiz #1

Total questions: 52

Worksheet time: 4hrs 33mins

Name
Class
Date
1.
What is the circumference of a circle with a diameter of 40 in? 
a)

125.7 in

b)
35.17 in
c)
28.67 in
d)
47.17 in
2.
A minute hand (radius) of a clock is 13.8 meters long. What is the circumference of the clock?
a)

86.71 meters

b)

76.26 meters

c)

66.93 meters

d)

96.68 meters

3.
What is the circumference of a circle with a radius of 21 cm?
a)
131.9 cm
b)
121.9 cm
c)
111.9 cm
d)
141.9 cm
4.
The diameter of a circle is:
a)
The measurement around the circle.
b)
The distance from an edge of a circle to another edge.
c)
The distance from the center of the circle to an edge of a circle
d)
The distance from an edge of a circle to another edge through the center. 
5.
The circumference of a circle is
a)
The measurement from an edge of a circle to another edge.
b)
The measurement around the circle
c)
The measurement from an edge of a circle to another edge going through the center
d)
The measurement from the center of the circle to an edge of the circle
6.
Find the area of the circle
a)

43.98

b)

153.94

c)
87.82
d)
307.72
7.
The radius is....
a)
a line that crosses through the center and touches each edge 
b)
the center point of a circle 
c)
a line from the center point to the edge of the circle
d)
an element in science
8.
What is the area of this circle?
a)
15393.8
b)
1248.12
c)
5930.12
d)
3848.45
9.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
10.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
11.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
12.
What is the diameter of this circle?
a)
3.5
b)
3
c)
5
d)
7
13.
A bicycle tire has a diameter of 27 inches. What is the radius?
a)
27π
b)
13.5
c)
81
d)
25π
14.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
15.

Find the circumference of the circle given its area. Leave your answer in terms of pi.

a)

64 mi2

b)

16π mi

c)

8π mi

d)

16 mi

16.

Find the area of the circle given its circumference.

Leave your answer in terms of pi.

a)

3π yd2

b)

6 yd

c)

9π yd2

d)

9 yd2

17.
Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?
a)
49.2 cm2
b)
45.6 cm2
c)

50.27 cm2

d)

50.06 cm2

18.
a)
A
b)
B
c)
C
d)
D
19.
a)
A
b)
B
c)
C
d)
D
20.
a)
A
b)
B
c)
C
d)
D
21.
a)
A
b)
B
c)
C
d)
D
22.
a)
A
b)
B
c)
C
d)
D
23.
Solve for the missing angle.
a)
45o
b)
90o
c)
22.5o
d)
128o
24.
Find the measure of arc JH
a)
93
b)
130
c)
120
d)
95
25.
Solve for x. 
a)
5
b)
20
c)
40
d)
85
26.
If the measure of arc ABC = 210°, what is the measure of ∠AOC?
a)
150°
b)
100°
c)
210°
d)
105°
27.
What is the measure of ∠PTQ?
a)
100°
b)
140°
c)
180°
d)
120°
28.
What is the measure of arc AB?
a)
140
b)
142
c)
180
d)
153
29.
What is the measure of arc JK?
a)
55°
b)
60°
c)
120°
d)
135°
30.

Select the names of minor arcs of Circle O.

a)
b)
c)
d)
e)
31.

Select the names of major arcs of Circle O.

a)
b)
c)
d)
e)
32.
What is the measure of arc WYZ?
a)
231
b)
255
c)
168
d)
200
33.

What is the relationship between a central angle and its arc?

a)

The angle is half of the arc.

b)

The arc is half of the angle.

c)

The arc is smaller than the angle.

d)

They are congruent.

34.
Solve for x.
a)
x = 11
b)
x = 6
c)
x = 8
d)
x = 9
35.

What is the green area called?

a)

sector

b)

segment

c)

arc

d)

section

36.

Calculate the area of the sector.

a)

9.2 sq. in.

b)

10.5 sq. in.

c)

31.4 sq. in.

d)

38.2 sq. in.

37.

What is the area of the shaded sector?

a)

339.29 in2

b)

113.04 in2

c)

39.29 in2

d)

None of the above

38.

What is the area formula for a circle?

a)

A = πr2

b)

A = 2πr

c)

A = √π

39.

What is the circumference formula for a circle?

a)

A = πr2

b)

A = 2πr

c)

A = √π

40.

Find the area of the shaded sector. Round to the nearest hundredth.

(a)  

41.

Find the area of the shaded sector. Round to the nearest tenth.

a)

39.7

b)

139.0

c)

4.3

d)

15.0

42.
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.
a)
47
b)
74
c)
94
d)
123
e)

98

43.
FIND THE ARC LENGTH OF THE BOLDED ARC
a)
A
b)
B
c)
C
d)
D
44.
What is the circumference of this circle ?
a)
3.14 cm 
b)

37.7 cm

c)
24 cm
d)
68.4 cm
e)

37.15 cm

45.
What is the arc length of minor arc AB?
a)

5.2

b)
103
c)

33.3

d)

50.9

e)

7.6

46.

The diameter of a circle is 50 centimeters. If the arc length is 22 centimeters, what is the angle measure? Round to the nearest tenth.

(a)  

47.

Find the circumference of the following circle:

a)

4π ft

b)

16π ft

c)

2π ft

d)

8π ft

48.
What is the measure of arc AB?
a)
140
b)
142
c)
180
d)
153
49.
What is the value of x?
a)
x = 160
b)
x = 40
c)
x = 80
d)
x = 360
50.

Which of the following represents a central angle?

a)
b)
c)
51.

2. measure of arc ST

a)

267

b)

21

c)

93

d)

108

e)

72

52.

Name the circle.

a)

Circle A

b)

Circle B

c)

Circle C

d)

Circle D

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