Results 1 to 3 of 3

Thread: Triangle competition problem

  1. December 4th 2010, 03:28 PM #1
    Veronica1999
    Veronica1999 is offline
    Member Veronica1999's Avatar
    Joined
    Jan 2010
    From
    Jupimar
    Posts
    160

    Triangle competition problem

    Please find attached problem and my work.
    I am stuck.
    Attached Thumbnails Attached Thumbnails Triangle competition problem-tria.pdf  
    Follow Math Help Forum on Facebook and Google+
  2. December 5th 2010, 01:06 AM #2
    earboth
    earboth is offline
    Super Member
    earboth's Avatar
    Joined
    Jan 2006
    From
    Germany
    Posts
    5,741
    Thanks
    90
    Quote Originally Posted by Veronica1999 View Post
    Please find attached problem and my work.
    I am stuck.
    1. Have a look here: Intersecting Chords Theorem

    2. The radius of your circle is r = PB = 3. Produce BP until it intersect the circle in F.

    3. According to the chord theorem you'll get:

    \overline{FD} \cdot \overline{DB} = \overline{AD} \cdot \overline{DC}
    Attached Thumbnails Attached Thumbnails Triangle competition problem-sehnensatzanwendg.png  
    Follow Math Help Forum on Facebook and Google+
  3. December 5th 2010, 07:56 AM #3
    Veronica1999
    Veronica1999 is offline
    Member Veronica1999's Avatar
    Joined
    Jan 2010
    From
    Jupimar
    Posts
    160
    Thank you!!!!
    How did you become so good at geometry?
    Follow Math Help Forum on Facebook and Google+
« parallelepiped diagonal | external tangent to two circles »

Similar Math Help Forum Discussions

  1. Competition results
    Posted in the Statistics Forum
    Replies: 4
    Last Post: April 20th 2010, 03:06 AM
  2. A nice problem for fun - Iranian math competition
    Posted in the Number Theory Forum
    Replies: 8
    Last Post: December 7th 2009, 09:06 PM
  3. 2v2 competition
    Posted in the Discrete Math Forum
    Replies: 0
    Last Post: October 14th 2009, 07:18 PM
  4. A problem from a grade 9 math competition
    Posted in the Algebra Forum
    Replies: 3
    Last Post: April 4th 2009, 04:38 PM
  5. math competition
    Posted in the Math Forum
    Replies: 8
    Last Post: August 14th 2008, 07:45 AM

Search Tags


/mathhelpforum @mathhelpforum