MathDB
equal tangents from intersection of diagonals of trapezoid

Source: TOT 458 1995 Spring S A3 - Tournament of Towns

July 9, 2024
geometrytrapezoidequal segments

Problem Statement

The non-parallel sides of a trapezium serve as the diameters of two circles. Prove that all four tangents to the circles drawn from the point of intersection of the diagonals are equal (if this point lies outside the circles).
(S Markelov)