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UKMT Intermediate Mathematical Challenge, 2026

Geometry Difficulty 2.0 Junior Find the answer United Kingdom

The diagram shows an octagon which is formed by two overlapping rectangles. Which of the following is a correct expression for the perimeter of the octagon?

(A) $2p + 2r$ (B) $2p + 2q$ (C) $2q + 2r$ (D) $2p - 2q + 2r$ (E) $2p + 2q - 2r$

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