1
60
2
7
3
10
4
30
5
9
6
11
7
80
8
5
9
90
10
12
radius
diameter
circumference
area
11
100
12
70
13
3
14
8
15
40
16
50
17
20
18
1
19
6
20
4
21
2
©Ms. Garcia Math
Name:
ID:
Quiz:
Grade:
Find diameter given circumference
[d = C/
π
]
π
(Pi) =
3.14
3.1
3
?
Diameter: the longest distance from one point of a circle to the other.
Circumference: is the distance around the circle.
π (pronounced Pi) is the ratio of the circumference of a circle to the diameter
Complete this table
(round the answer to the nearest tenth)
Radius
(cm)
Diameter
(cm)
Circumference
(cm)
1)
2)
3)
4)
Divide the circumference by Pi to find the diameter of a circle.
5)
6)