Results 1 to 3 of 3

Math Help - paragraph based question of conic section

  1. #1
    Member
    Joined
    Nov 2010
    Posts
    112

    paragraph based question of conic section

    aragraph
    ABCD is a square of length 2.C1 is circle inscribed in square and C2 is circle circumscribing square .P and Q are points on C1and C2 respectively.R is fixed point on fixed line L in same plane .circle C touch C1 and L externally. point R coincide over B.S is equidistant from L and R. then
    (1)[(PA)^2+(PB)^2+(PC)^2+(PD)^2]/[(QA)^2+(QB)^2+(QC)^2+(QD)^2] =
    (2)let Line L joining any two adjacent points of square (may be vertex points ,this is the wording used in book) then locus of center of circle C is -----
    (3)Line L passes through A and C and a line parallel to AC passes through B. if locus of S cuts this line at two points T1 and T2 and diagonal BD at T3.Find area formed by TRIANGLE T1T2T3.
    _____________
    Last edited by ayushdadhwal; April 3rd 2011 at 07:27 AM.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Joined
    Aug 2007
    From
    USA
    Posts
    3,111
    Thanks
    2
    You lost me from the start. "ABCD is a square of length 2" This calls into question all the rest that may seem plausible on the surface. To me, it is a mass of confusion. Perhaps a diagramme?
    Follow Math Help Forum on Facebook and Google+

  3. #3
    MHF Contributor
    Joined
    Dec 2007
    From
    Ottawa, Canada
    Posts
    3,110
    Thanks
    68
    Quote Originally Posted by ayushdadhwal View Post
    aragraph
    ABCD is a square of length 2.C1 is circle inscribed in square and C2 is circle circumscribing square .P and Q are points on C1and C2 respectively.R is fixed point on fixed line L in same plane .circle C touch C1 and L externally. point R coincide over B.S is equidistant from L and R. then
    (1)[(PA)^2+(PB)^2+(PC)^2+(PD)^2]/[(QA)^2+(QB)^2+(QC)^2+(QD)^2] =
    (2)let Line L joining any two adjacent points of square (may be vertex points ,this is the wording used in book) then locus of center of circle C is -----
    (3)Line L passes through A and C and a line parallel to AC passes through B. if locus of S cuts this line at two points T1 and T2 and diagonal BD at T3.Find area formed by TRIANGLE T1T2T3.
    To start, what is the "reason" for calling this a "paragraph" geometry problem?

    This is to make your question more "readable":
    ABCD is a square with side length = 2.

    C1 is a circle inscribed in square ABCD and C2 is a circle circumscribing square ABCD.

    P and Q are points on the circumference of circle C1 and circle C2 respectively.

    R is a fixed point on fixed line L in same plane .

    Circle C is tangent to circle C1 and line L externally.

    Point R coincides over point B.

    S is equidistant from line L and point R.

    Then :
    (1)[(PA)^2+(PB)^2+(PC)^2+(PD)^2]/[(QA)^2+(QB)^2+(QC)^2+(QD)^2] = ?

    (2)Let Line L joining any two adjacent points of square (may be vertex points ,this is the wording used in book) then locus of center of circle C = ?

    (3)Line L passes through points A and C and a line parallel to AC passes through point B. If locus of S cuts this line at two points T1 and T2 and diagonal BD at point T3, then area formed by TRIANGLE T1T2T3 = ?

    ...I'm still as lost as TKHunny

    Are you the person that posted this same problem here:
    http://www.sosmath.com/CBB/viewtopic...f60fd4d11c02e9
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 2
    Last Post: June 9th 2010, 06:29 AM
  2. Conic section of an ellipse question...
    Posted in the Geometry Forum
    Replies: 1
    Last Post: April 8th 2010, 09:50 AM
  3. Parametric Equations for Conic Section
    Posted in the Trigonometry Forum
    Replies: 6
    Last Post: December 7th 2009, 12:06 PM
  4. Replies: 4
    Last Post: August 23rd 2009, 10:24 PM
  5. Conic section
    Posted in the Pre-Calculus Forum
    Replies: 2
    Last Post: September 3rd 2008, 08:18 AM

Search Tags


/mathhelpforum @mathhelpforum