1.
The exact circumference of a circle with a radius of 6 is ____.
A.
37.7
B.
C.
D.
Hint
2.
The diameter of a circle is 7.5. Find the circumference to the nearest tenth.
A.
23.6
B.
16.8
C.
35.4
D.
47.1
Hint
3.
A.
40
B.
20
C.
320
D.
Hint
4.
A.
7
B.
22
C.
20
D.
13
Hint
5.
In the figure below,
is a diameter of the circle. If
US
= 9, find
SV
.
A.
27
B.
4.5
C.
9
D.
18
Hint
6.
Find the value of
x
.
A.
52
B.
47
C.
42
D.
37
Hint
7.
Find the value of
y
.
A.
7
B.
87
C.
83
D.
97
Hint
8.
Refer to circle
C
. Find the value of
x
.
A.
B.
13
C.
D.
Hint
9.
Which is an equation of the circle with center at
P
(-2, 5) and radius 2?
A.
(
x
- 2)
2
+ (
y
+ 5)
2
= 4
B.
(
x
+ 2)
2
+ (
y
- 5)
2
= 4
C.
(
x
- 2)
2
+ (
y
+ 5)
2
= 2
D.
(
x
+ 2)
2
+ (
y
- 5)
2
= 2
Hint
10.
In the figure,
L
and
R
lie on circle
P
. Is
LRP
inscribed in circle
P
?
A.
Yes;
P
is the center of the circle and is a vertex of the triangle.
B.
No; only two of the points lie on circle
P
.
C.
No; triangles cannot be inscribed.
D.
Yes;
LRP
is completely contained in circle
P
.
Hint
11.
Find
m
NAL
.
A.
78
B.
150
C.
21
D.
96
Hint
12.
Find the value of
z
.
A.
17
B.
C.
D.
Hint
13.
In the figure,
and
are ______.
A.
secants
B.
tangent segments
C.
secant segments
D.
external secant segments
Hint
14.
Find the value of
z
.
A.
15
B.
9
C.
11
D.
10
Hint
15.
Find the diameter of the circle with equation (
x
+ 8)
2
+ (
y
- 9)
2
= 121.
A.
22
B.
121
C.
17
D.
11
Hint
16.
is tangent to
C
. Find
x
.
A.
B.
C.
6
D.
12
Hint