1.
The diameter of a circle is 7.5. Find the circumference to the nearest tenth.
A.
16.8
B.
35.4
C.
47.1
D.
23.6
Hint
2.
A.
B.
20
C.
40
D.
320
Hint
3.
ABCDE
is ____.
A.
a chord
B.
a parallelogram
C.
a rhombus
D.
an inscribed polygon
Hint
4.
A.
14
B.
110
C.
80
D.
60
Hint
5.
A.
11
B.
60
C.
19
D.
Hint
6.
Find the value of
x
to the nearest tenth.
A.
3.7
B.
13.2
C.
10.0
D.
16.2
Hint
7.
A.
4.4
B.
3.6
C.
2.2
D.
7.2
Hint
8.
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
= 4
D.
(
x
+ 2)
2
+ (
y
- 5)
2
= 2
Hint
9.
Find an equation of the circle that has a diameter with endpoints at
(6, 10) and (-2, 4).
A.
(
x
- 2)
2
+ (
y
- 7)
2
= 25
B.
(
x
+ 2)
2
+ (
y
- 4)
2
= 100
C.
(
x
- 4)
2
+ (
y
- 3)
2
= 53
D.
(
x
- 6)
2
+ (
y
- 10)
2
= 100
Hint
10.
Find the exact circumference of the circle in the figure.
A.
4.25
B.
17
C.
8.5
D.
17
Hint
11.
A.
46
B.
32
C.
11.5
D.
23
Hint
12.
What can you assume from the following figure?
A.
H
is the center of the circle.
B.
GHK
is isosceles.
C.
m
J
+
m
GKI
= 180.
D.
is a diameter of the circle.
Hint
13.
Find
m
IHJ
.
A.
117
B.
77.5
C.
125.5
D.
140
Hint
14.
Find the value of
z
.
A.
B.
C.
17
D.
Hint
15.
In
J
,
is a diameter with
JL
= 18 and
m
= 140. Find the length of
.
A.
12.6
B.
113.1
C.
44.0
D.
6.3
Hint
16.
is tangent to
C
. Find
x
.
A.
12
B.
C.
D.
6
Hint