Results 1 to 2 of 2

Math Help - Ellipse

  1. #1
    Member roshanhero's Avatar
    Joined
    Aug 2008
    Posts
    182

    Ellipse

    What is meant by director circle and what is the general diagram of it?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Joined
    Aug 2007
    From
    USA
    Posts
    3,111
    Thanks
    2
    Find a pair of perpendicular tangents.
    Find the point of intersection of the tangents.
    The point of intersection will be on the "Director Circle"

    If you ellispse is x^2 / a^2 + y^2 / b^2 = 1, then your director circle is x^2 + y^2 = a^2 + b^2
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. ellipse
    Posted in the Geometry Forum
    Replies: 1
    Last Post: November 17th 2010, 07:48 AM
  2. ellipse
    Posted in the Geometry Forum
    Replies: 1
    Last Post: November 16th 2010, 12:29 PM
  3. ellipse 2
    Posted in the Geometry Forum
    Replies: 1
    Last Post: November 15th 2010, 12:41 PM
  4. ellipse
    Posted in the Pre-Calculus Forum
    Replies: 2
    Last Post: June 7th 2010, 05:08 PM
  5. Ellipse
    Posted in the Pre-Calculus Forum
    Replies: 5
    Last Post: March 17th 2008, 06:54 AM

Search Tags


/mathhelpforum @mathhelpforum