MathDB
IMO LongList 1967, The Democratic Republic Of Germany 1

Source: IMO LongList 1967, The Democratic Republic Of Germany 1

December 16, 2004
geometryquadrilateralareamaximizationIMO ShortlistIMO Longlist

Problem Statement

Find whether among all quadrilaterals, whose interiors lie inside a semi-circle of radius rr, there exist one (or more) with maximum area. If so, determine their shape and area.