... side alonga side of T . Then inscribe a rectangle S in the triangle formed by the sideof R opposite the side on the boundary of T, and the other two sides of T,with one side along the side ... projections of the foot of the altitude of a triangle on the sidesenclosing this altitude and on the two other altitudes lie on one straight line.Problem 92Let a, b, c and d be the sides of ... triangle.Problem 96Let K denote the intersection point of the diagonals of a convex quadrilateralABCD, L a point on the side AD, N a point on the side BC, M a point on the diagonal AC, KL and MN b...