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UKMT Senior Mathematical Challenge, 2016

Geometry Difficulty 2.0 Junior Find the answer United Kingdom

The diagram shows a square ABCDABCD and a right-angled triangle ABEABE. The length of BCBC is 3. The length of BEBE is 4. What is the area of the shaded region?

(A) 5145\frac{1}{4} (B) 5385\frac{3}{8} (C) 5125\frac{1}{2} (D) 5585\frac{5}{8} (E) 5345\frac{3}{4}

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