MathDB
Maximum Area of PDE

Source: 1992 Japan Mathematical Olympiad Finals, Problem 2

November 2, 2009
geometry

Problem Statement

Suppose that D, E D,\ E are points on AB, AC AB,\ AC of ABC \triangle{ABC} with area 1 1 respectively and P P is BECD BE\cap CD. When D, E D,\ E move on AB, AC AB,\ AC with satisfying the condition [BCED] \equal{} 2\triangle{PBC}, find the maximum area of PDE \triangle{PDE}.