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WorksheetsCircles!
Total questions: 15
Worksheet time: 2hrs 38mins
Name
Class
Date
1.
A Circle has a radius of 6 inches. What is the circumference of the circle? (Best Choice)
a)
3π or about 9.42 in
b)
6π or about 18.84 in
c)
12π or about 37.68 in
d)
36π or about 113.04 in
2.
Write the equation of a circle with center (7, 0) with radius 3.
a)
(x - 7)2 + y2 = 9
b)
x2 + (y -7)2 = 9
c)
(x - 7)2 + y2 = 3
d)
x2 + (y -7)2 = 3
3.
A Circle has a diameter of 10 centimeters. What is the circumference of the circle? (Best Choice)
a)
5π or about 15.7 cm
b)
10π or about 31.4 cm
c)
20π or about 62.8 cm
d)
100π or about 314 cm
4.
The line segment between the center and a point on the circle
a)
Radius
b)
Diameter
c)
Chord
d)
Tangent
5.
The formula for finding the area of a circle is...
a)
A = πd
b)
A = π
c)
A =πr
d)
A =πr2
6.
A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?
a)
3 m
b)
9.42 m
c)
12 m
d)
18.84 m
7.
What is the area of the yellow?
a)
78.5 mi2
b)
19.625 mi2
c)
39.25 mi2
d)
31.4 mi2
8.
Find the area of the circle
a)
43.96
b)
153.86
c)
87.82
d)
307.72
9.
Find the arc length. Leave your answer in terms of π.
a)
7/4π
b)
7/2π
c)
1/8π
d)
45π
10.
What is the area of sector GPH?
a)
9π yd2
b)
32π yd2
c)
18π yd2
d)
6π yd2
11.
What is the area of the shaded sector?
a)
339.12 in2
b)
113.04 in2
c)
339.29 in2
d)
None of the above
12.
How many degrees are in a circle?
a)
90
b)
180
c)
270
d)
360
13.
What are the coordinates of the center and the radius of the circle with equation:
(x - 4)2 + (y - 3)2 = 25 ?
(x - 4)2 + (y - 3)2 = 25 ?
a)
Center (4,3)
Radius = 5 units
Radius = 5 units
b)
Center (4,3)
Radius = 25 units
Radius = 25 units
c)
Center (-4,-3)
Radius = 25 units
Radius = 25 units
d)
Center (-4,-3)
Radius = 5 units
Radius = 5 units
14.
Which is the correct equation of the given circle?
a)
(x + 1)2 + (y - 3)2 = 9
b)
(x - 1)2 + (y + 3)2 = 9
c)
(x + 1)2 + (y + 3)2 = 9
d)
(x - 1)2 + (y - 3)2 = 9
15.
The radius of a circle is (a) ____ the diameter.
a)
Half
b)
Twice
c)
Three Times
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