Stephanie is going to form a clay model of the moon. The model will have a diameter of 2 feet, and the clay she will use comes in containers as described below. What is the least number of containers Stephanie will need in order to complete the model?

a.3
b.11
c.16
d.22
Please help i think its a but im not sure.

2 answers

What shape are the containers?
Where is their description?
Are their dimensions in inches or centimeters or miles or what?
the containers are cylinder shaped, 1/2 ft tall, and 1 ft diameter.