Worksheetsarea& circumference of the circle
Total questions: 15
Worksheet time: 59mins
Name
Class
Date
1.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
2.
what is the circumference of this circle ?
a)
3.14 cm
b)
37.68 cm
c)
24 cm
d)
68.4 cm
3.
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
4.
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
5.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
6.
If you multiply ½ × d then you will get the...
a)
radius
b)
diameter
c)
circumference
d)
area
7.
What is the diameter?
a)
8cm
b)
16cm
c)
10cm
d)
4cm
8.
The homeowners association wants to enclose a circular playground in a fence. The need to find the amount of fencing they need to purchase. Will they need the area or circumference of the playground?
a)
area
b)
circumference
c)
neither
9.
Find the circumference of the circle in the image.
a)
10π
b)
20π
c)
100π
d)
20
10.
Fill in the blank. The radius of a circle is equal to _________ its diameter.
a)
half
b)
twice
c)
the square of
11.
What formula is this used for:
πr²
πr²
a)
Circumference
b)
Area
c)
Surface Area
d)
Volume
12.
What formula is this used for:
πd
πd
a)
Area
b)
Circumference
c)
Surface Area
d)
Volume
13.
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
14.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
15.
The ratio of circumference to diameter is
a)
irrational
b)
half
c)
rational
d)
pi
100 %
