Recent content by krypt

  1. K

    Geometry Challenge: Prove Perpendicularity of HE to AB

    Thank you for your reply. Sorry for the confusion. Hope this helps please find the pic on h**p://ftp.screensint.com/math.jpg (replace h**P with http)
  2. K

    Geometry Challenge: Prove Perpendicularity of HE to AB

    Hello, I'm new here (to posting not to the forums). The following is a challange proposed by our math teacher. The work is due tomorrow morning. 1. The problem statement/known data: ABC is a right triangle. (BAC=90°) [AH] is an "altitude" (AH_|_BC) I is the center of [BC] J is the...