1.
In the figure below, the diagonals of the square pass through the center of the circle. Find the exact circumference of the circle.
A.
B.
C.
D.
28
Hint
2.
A.
13
B.
7
C.
20
D.
22
Hint
3.
In the figure below,
is a diameter of the circle. If
US
= 9, find
SV
.
A.
4.5
B.
27
C.
18
D.
9
Hint
4.
Find the value of
x
.
A.
37
B.
52
C.
42
D.
47
Hint
5.
In the figure, the line is ____ the circle.
A.
circumscribed about
B.
a tangent of
C.
a secant of
D.
inscribed in
Hint
6.
A.
2.2
B.
3.6
C.
7.2
D.
4.4
Hint
7.
Find an equation of the circle that has a diameter with endpoints at
(6, 10) and (-2, 4).
A.
(
x
+ 2)
2
+ (
y
- 4)
2
= 100
B.
(
x
- 6)
2
+ (
y
- 10)
2
= 100
C.
(
x
- 4)
2
+ (
y
- 3)
2
= 53
D.
(
x
- 2)
2
+ (
y
- 7)
2
= 25
Hint
8.
If the circumference of a circle is 56.5, find the radius to the nearest whole number.
A.
16
B.
89
C.
18
D.
9
Hint
9.
Find
NT
.
A.
22
B.
11
C.
44
D.
7
Hint
10.
A.
32
B.
11.5
C.
46
D.
23
Hint
11.
If
is tangent to circle
M
, what is the length of a radius of circle
M
?
A.
2
B.
C.
16
D.
8
Hint
12.
Find
m
NAL
.
A.
150
B.
96
C.
21
D.
78
Hint
13.
Find the value of
z
.
A.
10
B.
9
C.
11
D.
15
Hint
14.
Find the diameter of the circle with equation (
x
+ 8)
2
+ (
y
- 9)
2
= 121.
A.
17
B.
22
C.
11
D.
121
Hint
15.
In
J
,
is a diameter with
JL
= 18 and
m
= 140. Find the length of
.
A.
44.0
B.
12.6
C.
113.1
D.
6.3
Hint
16.
is tangent to
C
. Find
x
.
A.
6
B.
12
C.
D.
Hint