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.
28
C.
D.
Hint
2.
A.
7
B.
22
C.
13
D.
20
Hint
3.
In the figure,
XZ
= 12,
UV
= 8, and
is a diameter. Find the length of a radius of the circle.
A.
8
B.
12
C.
10
D.
Hint
4.
A.
290
B.
90
C.
35
D.
70
Hint
5.
is a diameter. Find
.
A.
360
B.
180
C.
90
D.
270
Hint
6.
A.
30
B.
45
C.
90
D.
60
Hint
7.
Find the value of
y
.
A.
19
B.
C.
3
D.
11
Hint
8.
A.
7.2
B.
2.2
C.
3.6
D.
4.4
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
= 2
C.
(
x
+ 2)
2
+ (
y
- 5)
2
= 2
D.
(
x
- 2)
2
+ (
y
+ 5)
2
= 4
Hint
10.
In the figure,
ABCD
is a square and
AC
= 22. Find the circumference of the circle to the nearest tenth.
A.
34.6
B.
24.4
C.
48.9
D.
69.1
Hint
11.
A.
135
B.
7.2
C.
Not enough information is given.
D.
45
Hint
12.
Find
NT
.
A.
7
B.
11
C.
22
D.
44
Hint
13.
The figure shows a quadrilateral circumscribed about a circle. Find the value of
x
.
A.
30
B.
32
C.
28
D.
34
Hint
14.
Find
m
IHJ
.
A.
77.5
B.
140
C.
117
D.
125.5
Hint
15.
Find the value of
z
.
A.
6.5
B.
1
C.
12.25
D.
4
Hint
16.
Find the diameter of the circle with equation (
x
+ 8)
2
+ (
y
- 9)
2
= 121.
A.
17
B.
121
C.
22
D.
11
Hint