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1962 AHSME Problems/Problem 20

Revision as of 22:56, 10 November 2013 by Fadebekun (talk | contribs) (→‎Solution)

Problem

The angles of a pentagon are in arithmetic progression. One of the angles in degrees, must be:

$\textbf{(A)}\ 108\qquad\textbf{(B)}\ 90\qquad\textbf{(C)}\ 72\qquad\textbf{(D)}\ 54\qquad\textbf{(E)}\ 36$

Solution

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