Revision history of "1987 USAMO Problems/Problem 2"

Diff selection: Mark the radio boxes of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

  • (cur | prev) 17:42, 18 July 20161=2 (talk | contribs). . (393 bytes) (+393). . (Created page with "==Problem== The feet of the angle bisectors of <math>\Delta ABC</math> form a right-angled triangle. If the right-angle is at <math>X</math>, where <math>AX</math> is the bise...")