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UKMT Junior Mathematical Challenge, 2025

Geometry Difficulty 2.0 Junior Find the answer United Kingdom

Two identical squares, PQRSPQRS and TUVWTUVW, overlap to form the 21 cm21\text{ cm} by 12 cm12\text{ cm} rectangle PQVWPQVW shown. What is the area, in cm2\text{cm}^2, of the shaded rectangle TURSTURS?

(A) 2424 (B) 3636 (C) 4848 (D) 7272 (E) 9696

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