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Convex polygon angle..

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December 25, 2005

Problem Statement

The sum of all but one of the interior angles of a convex polygon equals 2570∘2570^\circ. The remaining angle is
<spanclass=′latex−bold′>(A)</span> 90∘<spanclass=′latex−bold′>(B)</span> 105∘<spanclass=′latex−bold′>(C)</span> 120∘<spanclass=′latex−bold′>(D)</span> 130∘<spanclass=′latex−bold′>(E)</span> 144∘<span class='latex-bold'>(A)</span> \ 90^\circ \qquad <span class='latex-bold'>(B)</span> \ 105^\circ \qquad <span class='latex-bold'>(C)</span> \ 120^\circ \qquad <span class='latex-bold'>(D)</span> \ 130^\circ \qquad <span class='latex-bold'>(E)</span> \ 144^\circ
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