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WorksheetsCircles Review (This is a grade!!)
Total questions: 35
Worksheet time: 4hrs 44mins
Name
Class
Date
1.
a)
30
b)
40
c)
120
d)
60
2.
What is the diameter?
a)
8
b)
16
c)
10
d)
4
3.
What is the circumference?
a)
48
b)
96
c)
24
d)
18
4.
A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?
a)
c = 15π
b)
C = 2π15
c)
c = 15 ÷ π
d)
c = 15 π
5.
Find x. Assume that segments that appear to be tangent are tangent.
a)
11.2
b)
18.0
c)
25.0
d)
30.0
6.
Find x. Assume that segments that appear to be tangent are tangent.
a)
2
b)
11
c)
7.6
d)
9
7.
a)
A
b)
B
c)
C
d)
D
8.
a)
A
b)
B
c)
C
d)
D
9.
Find x
a)
10
b)
5
c)
18
d)
9
10.
Use chords to solve for x
a)
x = 3 cm
b)
x = 4 cm
c)
x = 5 cm
d)
x = 6 cm
11.
Solve for x
a)
82/14
b)
2/3
c)
-40/6
d)
2
12.
Find the perimeter of the polygon.
a)
77.8
b)
73.4
c)
78.8
d)
67.4
13.
Is line AB tangent to the circle?
a)
YES
b)
NO
NO
NO
c)
Not Enough Info
14.
What can you conclude from the picture?
a)
m is parallel to circle C
b)
m is skew to circle C
c)
m bisects circle C
d)
m is tangent to circle C
15.
What can you conclude?
a)
AB and AC are not congruent.
b)
AB= half of AC
c)
AC = half of AB
d)
AB=AC
16.
find the measure of y
a)
30
b)
60
c)
90
d)
180
17.
Find the perimeter
a)
48.8
b)
47.4
c)
39.8
d)
36.4
18.
Lines AO and BO are tangent. What is the measure of BO?
a)
20
b)
15
c)
10
d)
5
19.
In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?" (the length of the hypotenuse)
a)
15
b)
6
c)
-24
d)
14
20.
Find approximate value of x.
a)
4.4
b)
8.3
c)
9.4
d)
8.8
21.
a)
A point of tangency
b)
A tangent
c)
A center
d)
Outside of circle C
22.
a)
A secant
b)
A point of tangency
c)
An arc
d)
A tangent
23.
a)
A chord
b)
A secant
c)
A sector
d)
A tangent
24.
a)
Arc
b)
Area
c)
Sector
d)
Segment
25.
a)
Arc
b)
Sector
c)
Segment
d)
Circumference
26.
a)
secant
b)
chord
c)
tangent line
d)
diameter
27.
In the equation (x-3)2+(y+4)2=121, the radius of the circle is
a)
242
b)
11
c)
121
d)
22
28.
What is the equation of a circle with radius 2 and center (3, 4)?
a)
(x+3)2 + (y+4)2 = 2
b)
(x-3)2 + (y-4)2 = 2
c)
(x+3)2 + (y+4)2 = 4
d)
(x-3)2 + (y-4)2 = 4
29.
What is the center of the circle with equation x2 + y2 = 1?
a)
(1, 1)
b)
(0, 0)
c)
not enough information
30.
What is the equation of a circle with radius 2 and center (3, 4)?
a)
(x+3)2 + (y+4)2 = 2
b)
(x-3)2 + (y-4)2 = 2
c)
(x+3)2 + (y+4)2 = 4
d)
(x-3)2 + (y-4)2 = 4
31.
See Picture
a)
A
b)
B
c)
C
d)
D
32.
See Picture
a)
A
b)
B
c)
C
33.
Which graph corresponds to
(x-8)2+ (y+2)2=
(x-8)2+ (y+2)2=
a)
A
b)
B
c)
C
d)
D
34.
Find the equation of the circle with center (−8,3) and (2,−5) is on the circle?
Hint: you need to find the radius by plugging in values for four variables
x=
y=
h=
k=
in (x-h)2+(y-k)2=r2
Hint: you need to find the radius by plugging in values for four variables
x=
y=
h=
k=
in (x-h)2+(y-k)2=r2
a)
(x+8)2+(y−3)2=164.5.
b)
(x+3)2+(y−8)2=164.
c)
(x)2+(y)2=164.
d)
(x+8)2+(y−3)2=164.
35.
What is the center of the circle with this equation is (x+2)²+(y-4)²=41?
a)
(2,-5)
b)
(-2,4)
c)
(2,-4)
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