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UKMT Pink Kangaroo, 2026

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

The diagram, which is not drawn to scale, shows a shape with ten equal angles marked. What is the size of each of these angles?

(A) $96°$ (B) $105°$ (C) $108°$ (D) $115°$ (E) $120°$

Figure for this problem

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