UKMT Grey Kangaroo, 2016

Geometry Difficulty 1.0 Junior Find the answer United Kingdom

The triangle in the diagram contains a right angle. What is the sum of the other two marked angles on the diagram?

(A) $150^\circ$ (B) $180^\circ$ (C) $270^\circ$ (D) $320^\circ$ (E) $360^\circ$

Figure for this problem

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