Find the volume of the cone with the same base and height of the given cylinder.

Question

anonymous · Answer

A. 3231.06 cm^3
B. 2236.05 cm^3
C. 1078 cm^3
D.359 cm^3

accessdenied · Answer

The volume of a cone is 1/3 the volume of a cylinder with the same dimensions.
  $V = \dfrac{1}{3} \pi r^2 h $
This is always true of those shapes that come to a point in comparison to the shapes that span straight out.

anonymous · Answer

V= 1/3*1.14*r^2*7cm ?

accessdenied · Answer

$ 1/3 * 3.1415 * \underbrace{(7)}_{radius} \; ^2 * \underbrace{21}_{height} $
I use a better approximation of pi because the answer doesn't quite round with 3.14.

anonymous · Answer

1077.5345  = 1078 .. C?

accessdenied · Answer

Yup, that's what I got as well.

anonymous · Answer

Thanks, Im going to start a new question for one more.