WorksheetsArea of Circles
Total questions: 21
Worksheet time: 1hrs 25mins
Name
Class
Date
1.
Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?
a)
49.2 cm2
b)
45.6 cm2
c)
50.24 cm2
d)
55.9 cm2
2.
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
3.
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.
4.
find the area of the circle below.
a)
100 cm
b)
225 cm
c)
9 cm
d)
28.26 cm
5.
Find the area of the circle
a)
56.52
b)
254.34
c)
1017.36
d)
113.04
6.
What is the area of a circle?
a)
The distance around a circle.
b)
The space inside the circle.
c)
The length of the straight line segment that passes through the center of the circle and whose endpoints lie on the circle.
d)
The line from the center of a circle to any point on its edge.
7.
The formula for finding the area of a circle is...
a)
A = πd
b)
A = π
c)
A =πr
d)
A =πr2
8.
what is the area of this semicircle ?
d = 8 cm
d = 8 cm
a)
100.48 cm2
b)
80 cm2
c)
200.96 cm2
d)
25.12 cm2
9.
Find the area of the semicircle. Round you answer to the nearest hundredth.
a)
19.63
b)
9.8125
c)
9.81
d)
39.25
10.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
11.
What is the radius of this circle?
a)
18
b)
36
c)
9
d)
8
12.
Find the area of the circle below. Use 3.14 for Pi.
a)
100 cm2
b)
225 cm2
c)
9 cm2
d)
28.26 cm2
13.
What is the area of a circle with a radius of 21 cm?
a)
1384.74 cm2
b)
2142.12 cm2
c)
4348.08 cm2
d)
1289.12 cm2
14.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
15.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
16.
What is the area of this circle?
a)
6082.12
b)
1519.76
c)
1893.14
d)
1292.92
17.
what is the area of a circle with the diameter of 16 cm ?
a)
66 cm
b)
200.96 cm
c)
66.5 cm
d)
10 m
18.
What is the radius of this circle?
a)
12cm
b)
6cm
c)
24cm
d)
3cm
19.
What is the symbol for pi?
a)
#
b)
π
c)
&
d)
%
20.
What is the area of this circle?
a)
1385.44
b)
2142.12
c)
5541.77
d)
1289.12
21.
Find the area of this Semicircle with a diameter of 18 cm
a)
254.34 cm
b)
127.17 cm
c)
56.52 cm
d)
28.26 cm
100 %
