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WorksheetsCircumference vs. Area of a Circle
Total questions: 11
Worksheet time: 19mins
Name
Class
Date
1.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
2.
What does "circumference" mean?
a)
Space a circle takes up
b)
Distance around a circle
c)
Line from one side of a circle to another
d)
Line from center of circle to side
3.
The radius of the circle is 9 meters. What is the circle's circumference? Use 3.14 for 𝛑.
a)
9 meters
b)
28.26 meters
c)
56.52 meters
d)
18 meters
4.
If the diameter of a circle is 10 mm, the circumference is approximately ___
a)
314 mm
b)
3.14 mm
c)
31.4 mm
d)
20 mm
5.
The diameter of a circle is 3 centimeters. What is the circumference? Keep your answer in terms of 𝛑.
a)
9𝛑 cm
b)
9.42𝛑 cm
c)
3𝛑 cm
d)
45.3𝛑 cm
6.
What is the formula for area of a circle given the radius?
a)
A = πr
b)
A = 2πr
c)
A = πd
d)
A = πr²
7.
What is the area of this circle? Use 3.14 for 𝛑
a)
82.13 m2
b)
78.50 m2
c)
314.16 m2
d)
170.12 m2
8.
How can you write π as a decimal?
(a)
9.
Find the area of the circle below. Keep your answer in terms of 𝛑 (pi).
a)
100 cm2
b)
225 cm2
c)
9𝛑 cm2
d)
28.26𝛑 cm2
10.
What is the difference between the CIRCUMFERENCE and the AREA of a circle?
4 lines
11.
If the question says "keep your answer in terms of 𝛑". This means that a (a) is in my answer.
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