WorksheetsArea & Circumference of a Circle
Total questions: 35
Worksheet time: 2hrs 1mins
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.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
12.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
13.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
14.
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
15.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
16.
What is the radius of this circle?
a)
18in
b)
36in
c)
9in
d)
8in
17.
A ball has a circumference of 9.42 cm. What is the diameter?
a)
29.5788 cm
b)
59.1576 cm
c)
3 cm
d)
1.5 cm
18.
Steven purchases a bowl. The diameter of the bowl is 14 cm.
What is the distance around the bowl?
What is the distance around the bowl?
a)
21.98 cm
b)
43.98 cm
c)
87.96 cm
d)
7 cm
19.
What is the diameter?
a)
8cm
b)
16cm
c)
10cm
d)
4cm
20.
A cruise ship has a large, circular window. It has a diameter of 6 meters. How many square meters of glass is the window made of?
a)
31.25 m2
b)
29.55 m2
c)
30.36 m2
d)
28.27 m2
21.
Find the radius of a circle if the area is 201.1 mi2
a)
10 mi
b)
8mi
c)
20 mi
d)
5mi
22.
If you are going to paint the entire center circle of a basketball court, do you need to know the area or circumference of the circle?
a)
Area
b)
Circumference
c)
Neither
23.
The radius of a circle is 6.5 inches.
Find the circumference of the circle.
a)
132.7 in
b)
40.8 in
c)
20.4 in
d)
572.3 in
24.
What is the area of this circle?
a)
50.27 cm2
b)
78.23 cm2
c)
98.12 cm2
d)
201.06 cm2
25.
What is the area of a circle with a diameter of 12cm?
a)
452.39cm2
b)
139.12cm2
c)
113.1cm2
d)
84.23cm2
26.
A DVD has a diameter of 15 millimeters. Which equation would help you determine the distance around the DVD?
a)
C = 15π
b)
A = π7.52
c)
A = 15 ÷ π
d)
C = 7.5π
27.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
28.
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
29.
The diameter of a circle is 3 centimeters. What is the circumference?
a)
11.5cm2
b)
9.42 cm2
c)
unicorns are awsome
d)
45.3 cm2
30.
A circle has only one radius.
a)
True
b)
False
31.
Find the area of the circle
a)
43.96
b)
153.86
c)
87.82
d)
307.72
32.
find the area of the circle below.
a)
100 cm
b)
225 cm
c)
9 cm
d)
28.26 cm
33.
a line that goes from one edge of the circle to another and crosses the center point
a)
center
b)
diameter
c)
dime eater
d)
radius
34.
a line from the center point to the edge of the circle
a)
diameter
b)
radio
c)
radius
d)
pi
35.
What is the formula for area of a circle given the radius?
a)
A = πr
b)
A = 2πr
c)
A = πd
d)
A = πr²
100 %
