Mark on a cellular paper four nodes forming a convex quadrilateral with the sidelengths equal to four different primes. (Proposed by A.Zaslavsky)
Source: Sharygin Geometry Olympiad Correspondence Round 2017 P-1(Grade-8)
Tags: geometry
Mark on a cellular paper four nodes forming a convex quadrilateral with the sidelengths equal to four different primes. (Proposed by A.Zaslavsky)
