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2022 MMATHS Team Online p1 - area chasing, starting with a rectangle

Source:

October 1, 2023
geometryMMATHS

Problem Statement

Rectangle ABCDABCD has AB=8AB = 8 and BC=13BC = 13. Points P1P_1 and P2P_2 lie on ABAB and CDCD with P1P2BCP_1P_2 \parallel BC. Points Q1Q_1 and Q2Q_2 lie on BCBC and DADA with Q1Q2ABQ_1Q_2 \parallel AB. Find the area of quadrilateral P1Q1P2Q2P_1Q_1P_2Q_2.