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WorksheetsMath 6 - Circumference of Circles
Total questions: 16
Worksheet time: 3600secs
Name
Class
Date
1.
If my diameter is 19 inches, what is my radius?
a)
38 inches
b)
9.5 inches
c)
59.66 inches
d)
119.32 inches
2.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
3.
what is the circumference of this circle ?
a)
3.14 cm
b)
37.68 cm
c)
24 cm
d)
68.4 cm
4.
Find the circumference of a circle with a radius of 12.5 mm .
a)
37.68mm
b)
18.84mm
c)
78.5mm
d)
none of the above
5.
The radius of a circle is
a)
The measurement from the center of a circle to an edge of the circle.
b)
The measurement around the circle
c)
The measurement from and edge of the circle to another edge through the center
d)
A line perpendicular to the diameter of the circle
6.
What is the formula for finding the circumstance for a circle with just the radius?
a)
2*π*r
b)
1/2 b*h
c)
a+b/2*h
d)
I do not know
7.
What is the formula for finding the circumstance of a circle with just the diameter?
a)
π*d
b)
b*h
c)
l*w*h
d)
I do not know
8.
A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?
a)
31.25 m2
b)
29.55 m2
c)
30.36 m2
d)
28.26 m2
9.
What is the area of this circle?
a)
163.2
b)
15.3
c)
124.2
d)
113.1
10.
What is the area of this circle?
a)
1385.44
b)
2142.12
c)
5541.77
d)
1289.12
11.
What is the area of this circle?
a)
1385.44
b)
2142.12
c)
5541.77
d)
1289.12
12.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
13.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
14.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
15.
If you multiply ½ × d then you will get the...
a)
radius
b)
diameter
c)
circumference
d)
area
16.
If you are given the diameter, how can you calculate the radius?
a)
Multiply the diameter by 2
b)
Divide the diameter by 2
c)
Add 2 to the diameter
d)
Subtract 2 from the diameter
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