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WorksheetsCircles Review
Total questions: 25
Worksheet time: 1hrs 7mins
Name
Class
Date
1.
What are the coordinates of the center and the radius of the circle with equation:
(x + a)2 + (y - b)2 = r2 ?
a)
Center (a,-b)
Radius = r2 units
b)
Center (a,-b)
Radius = r units
c)
Center (-a,b)
Radius = r units
d)
Center (-a,b)
Radius = r2 units
2.
What is the equation of the circle, with center (-2,-7) and radius 3 units?
a)
(x + 2)2 + (y + 7)2 = 3
b)
(x - 2)2 + (y - 7)2 = 9
c)
(x + 2)2 + (y + 7)2 = 9
d)
(x - 2)2 + (y - 7)2 = 3
3.
Write the equation of a circle with center (h,k) and radius r.
a)
x2 + y2 = r2
b)
(x + h)2 + (y + h)2 = r2
c)
(x - h)2 + (y - k)2 = r2
d)
(x - h)2 - (h - k)2 = r
4.
What is the equation of the circle?
a)
(x+1)2 + (y +1)2 = 3
b)
(x+1)2 + (y -1)2 = 3
c)
(x+1)2 + (y +1)2 = 9
d)
(x-1)2 + (y -1)2 = 9
5.
Write the standard form of the circle:
x2 + y2 +10y = 39
x2 + y2 +10y = 39
a)
x2 + (y+5)2 = 49
b)
x2 + (y+5)2 = 64
c)
(x+5)2 + y2 = 61
d)
(x+5)2 + y2 = 100
6.
Find RT and TV
a)
7, 36
b)
21, 27
c)
27, 7
d)
36, 27
7.
Find AB and DE
a)
15, 32
b)
32, 15
c)
32, 24
d)
15, 24
8.
Find the length of arc AB
a)
7 in.
b)
9.5 in.
c)
11 in.
d)
22.5 in.
9.
Find the area of the circle
a)
190.32 ft2
b)
147.8 ft2
c)
107.1 ft2
d)
163.4 ft2
10.
Find x
a)
5
b)
8.66
c)
10
d)
20
11.
Find x
a)
6
b)
7.94
c)
8
d)
9
12.
Find a
a)
6
b)
6.67
c)
8.33
d)
10
13.
Find the measure of ∠ABE.
a)
129⁰
b)
51⁰
c)
100⁰
d)
65⁰
14.
Find the area of the sector with the marked angle, in terms of pi.
a)
16π ft2
b)
(64π/3) ft2
c)
8π ft2
d)
(16π/3) ft2
15.
Find the measure of arc SR
a)
70⁰
b)
35⁰
c)
110⁰
d)
55⁰
16.
Find the measure of ∠ADB.
a)
47.5⁰
b)
85⁰
c)
132.5⁰
d)
170⁰
17.
Find the measure of ∠ABD.
a)
102⁰
b)
51⁰
c)
37⁰
d)
65⁰
18.
Find the measure of ∠EFH.
a)
61⁰
b)
65⁰
c)
114⁰
d)
130⁰
19.
Solve for x.
a)
10
b)
85
c)
170
d)
180
20.
Find a and b.
a)
a=74⁰
b=93⁰
b=93⁰
b)
a=93⁰
b=74⁰
b=74⁰
c)
a=87⁰
b=106⁰
b=106⁰
d)
a=106⁰
b=87⁰
b=87⁰
21.
Find the measure of arc AB.
a)
17⁰
b)
34⁰
c)
68⁰
d)
146⁰
22.
What is the area between the circles and inside the square?
a)
12.6 units2
b)
8 units2
c)
51.4 units2
d)
13.7 units2
23.
Find the measure of arc RT.
a)
123⁰
b)
83⁰
c)
52⁰
d)
24⁰
24.
Find the measure of ∠BDC.
a)
35⁰
b)
40⁰
c)
75⁰
d)
110⁰
25.
Find x
a)
140⁰
b)
76⁰
c)
51⁰
d)
38⁰
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