Results 1 to 2 of 2

Math Help - Cube

  1. #1
    Junior Member Nadeshiko's Avatar
    Joined
    Sep 2013
    From
    ??
    Posts
    27

    Cube

    A cube of side length 2 centimeters is rotated 360 degrees about the line connecting the centers of two opposite faces of the cube. What is the volume of space, in cubic centimeters, that is swept by this revolution?

    I am not sure about this problem. Would you please give hints or guides to answer the problem? Thanks! It would help me out a lot !! ^__^
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Senior Member
    Joined
    Sep 2013
    From
    USA
    Posts
    255
    Thanks
    114

    Re: Cube

    You need to know the surface area of a cylinder: 2*pi*R*h, R is the radius and h is the height of the cylinder.
    Can you sketch a figure showing what is R and what is h in your cube? You may need to calculate the radius from the given data of the cube.
    Last edited by votan; September 23rd 2013 at 10:31 PM. Reason: adding characters
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. cube
    Posted in the Statistics Forum
    Replies: 2
    Last Post: March 4th 2012, 07:01 PM
  2. Cube
    Posted in the Geometry Forum
    Replies: 3
    Last Post: March 23rd 2010, 08:25 AM
  3. Cube Root times Cube Root
    Posted in the Pre-Calculus Forum
    Replies: 6
    Last Post: December 1st 2009, 06:03 AM
  4. cube
    Posted in the Geometry Forum
    Replies: 2
    Last Post: August 21st 2009, 08:25 PM
  5. The Hilbert cube homeomorphic to the cube?
    Posted in the Differential Geometry Forum
    Replies: 0
    Last Post: June 12th 2009, 09:35 AM

Search Tags


/mathhelpforum @mathhelpforum