The answer is g. 47.1
you use the formula
c= π d
then plug is 15 for d and you should get the answer
Cone Volume = PI * radius^2 * height / 3, which can br rewritten as
Cone Volume = base area * height / 3
Cone Volume = 420mm * 60
Cone Volume = 25,200 cubic mm
Make the denominators the same number. Then do the problem as you would regularly without fractions
