WorksheetsCircumference and Area
Total questions: 32
Worksheet time: 1hrs 5mins
Name
Class
Date
1.
What number represents π?
a)
31.4
b)
4.13
c)
3.14
d)
34.1
2.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
3.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
4.
What does C represent in the formula:
C = π·d
a)
Pi
b)
Circumference
c)
Diameter
d)
Area
5.
What is the diameter of a circle?
a)
the distance around a circle
b)
the area of a circle
c)
halfway through a circle
d)
a line through the center of a circle
6.
What number represents π?
a)
31.4
b)
4.13
c)
3.14
d)
34.1
7.
Find the circumference of the circle.
a)
31.4 cm
b)
78.5 cm
c)
314 cm
d)
15.7 cm
8.
Find the circumference of the circle.
a)
78.5 cm
b)
15.7 cm
c)
7.85 cm
d)
19.6 cm
9.
Find the circumference of the circle.
a)
38.47 cm
b)
10.99 cm
c)
43.96 cm
d)
21.98 cm
10.
Find the circumference of the circle.
a)
14.13 cm
b)
63.56 cm
c)
28.26 cm
d)
127.17 cm
11.
What is the radius of this circle?
a)
18
b)
10
c)
9
d)
8
12.
Find the area of the circle
a)
43.96
b)
153.86
c)
87.82
d)
307.72
13.
What is the area of this circle?
a)
6082.12
b)
1520.53
c)
1893.14
d)
1292.92
14.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
15.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
16.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
17.
What is π ? (Best Choice)
a)
The ratio of the circumference of any circle to its diameter.
b)
Exactly 3.14
c)
Exactly 3.1415
d)
Exactly 3.141593
18.
what is the circumference of this circle ?
a)
3.14 cm
b)
37.68 cm
c)
24 cm
d)
68.4 cm
19.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
20.
What is the diameter of this circle?
a)
3.5
b)
3
c)
5
d)
7
21.
A Circle has a radius of 4. What is the area of the circle? (Best Choice) (note: units are squared)
a)
4π or about 12.56
b)
16π or about 50.24
c)
2π or about 6.28
d)
8π or about 25.12
22.
A Circle has a diameter of 10 centimeters. What is the area of the circle? (Best Choice)
a)
5π or about 15.7 cm2
b)
10π or about 31.4 cm2
c)
25π or about 78.5 cm2
d)
100π or about 314 cm2
23.
What is the diameter?
a)
8
b)
16
c)
10
d)
4
24.
A bicycle tire has a diameter of 27 inches. What is the radius?
a)
27π
b)
13.5
c)
81
d)
25π
25.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
26.
The diameter of a circle is:
a)
The measurement around the circle.
b)
The distance from an edge of a circle to another edge.
c)
The distance from the center of the circle to an edge of a circle
d)
The distance from an edge of a circle to another edge through the center.
27.
The circumference of a circle is
a)
The measurement from an edge of a circle to another edge.
b)
The measurement around the circle
c)
The measurement from an edge of a circle to another edge going through the center
d)
The measurement from the center of the circle to an edge of the circle
28.
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
29.
What formula is this used for:
πd
πd
a)
Area
b)
Circumference
c)
Surface Area
d)
Volume
30.
Other than the formula C=πd what is another formula for circumference of a circle?
a)
C=2π
b)
C=2πr
c)
C=πr²
d)
C=πd²
31.
Meg swam from one side of her circular pool to the other side going through the center. If Meg swam 8 feet, what is the approximate circumference of Meg's pool?
a)
16 feet
b)
25.12 feet
c)
251.2 feet
d)
4 feet
32.
Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?
a)
28 cm
b)
43.96 cm
c)
87.96 cm
d)
7 cm
100 %
