MathDB
construction of a right triangle, given 3 points

Source: Cono Sur 2002 #2

July 14, 2018
geometryconstructiongeometric transformationcono sur

Problem Statement

Given a triangle ABCABC, with right A\angle A, we know: the point TT of tangency of the circumference inscribed in ABCABC with the hypotenuse BCBC, the point DD of intersection of the angle bisector of B\angle B with side AC and the point E of intersection of the angle bisector of C\angle C with side ABAB . Describe a construction with ruler and compass for points AA, BB, and CC. Justify.