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UKMT Grey Kangaroo, 2024

Algebra Difficulty 3.0 AMC 10/12 Find the answer United Kingdom

Gerard cuts a large rectangle into four smaller rectangles. The perimeters of three of these smaller rectangles are 16, 18 and 24, as shown in the diagram. What is the perimeter of the fourth small rectangle?

(A) $8$ (B) $10$ (C) $12$ (D) $14$ (E) $16$

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