The formula of a circle is A = pi * r^2
The diameter is 16cm, half of a diameter is the radius.
16/2 = 8
The radius is 8cm
pi (8)^2 or 3.14 (8)^2 = 200.96
Closest answer will be 201 (option C)
First find unit price
$38/4 = $9.50 per DVD
6 DVDs * total cost = answer
6 * 9.50 = 57
Solution: 6 DVDs cost $57
