TOT 214 1989 Spring Train S2 tangent incircles in tangential trapezoid
Source:
March 7, 2021
geometrytangent circlestangentialtrapezoidincircle
Problem Statement
It is known that a circle can be inscribed in a trapezium .
Prove that the two circles, constructed on its oblique sides as diameters, touch each other.(D. Fomin, Leningrad)