angle chasing in a cyclic quadrilateral, diagonals and ratio of lengths related
Source: 1996 Estonia National Olympiad Final Round grade 9
March 11, 2020
geometrycyclic quadrilateralratiodiagonalsangles
Problem Statement
The vertices of the quadrilateral lie on a single circle. The diagonals of this rectangle divide the angles of the rectangle at vertices and and divides the angles at vertices and in a ratio. Find angles of the quadrilateral .