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Geometry Difficulty 2.0 Junior Find the answer Canada

Rectangular tiles, which measure 6 by 4, are arranged without overlapping, to create a square. The minimum number of these tiles needed to make a square is

(A) $8$ (B) $24$ (C) $4$ (D) $12$ (E) $6$

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.