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UKMT Intermediate Mathematical Challenge, 2020

Geometry Difficulty 2.0 Junior Find the answer United Kingdom

What fraction of this diagram is shaded?

(A) $\frac{13}{32}$ (B) $\frac{1}{2}$ (C) $\frac{9}{16}$ (D) $\frac{5}{8}$ (E) $\frac{13}{16}$

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