A right cylinder has a diameter of 30 mm and a height of 30 mm, as shown.

What is the volume of the cylinder?

a. 27,000 mm3

b. 21,195 mm3

c. 2826 mm3

c. 1413 mm3

How do I do this?

2 answers

V = pi * r^2 * h

http://www.mathsteacher.com.au/year9/ch14_measurement/18_cylinder/cylinder.htm
it doesnt say it has a radius ?