miaclaytonM5031 miaclaytonM5031 07-02-2024 Mathematics contestada A trapezium ABCD has AD parallel BC, point E is on AD so that line segments BE, CE divide ABCD into 3 right-angled triangles. The triangles are similar, but not same. All the triangles side lengths are integers. AD = 2009. What is the length of BC?