The area of a DVD is
3
6
�
�
�
.
2
36π cm.
2
. What is the diameter of the DVD?
A
6 cm.
B
12 cm.
C
18 cm.
D
9 cm.
B
12 cm.
3
6
�
�
�
.
2
36π cm.
2
. What is the diameter of the DVD?
A
6 cm.
B
12 cm.
C
18 cm.
D
9 cm.
12 cm.