Difference between revisions of "2005 CEMC Gauss (Grade 7) Problems/Problem 8"
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Revision as of 15:24, 22 October 2014
Problem
In the diagram, what is the measure of in degrees?
Solution
Since (in other words, and are supplementary) and , then . Since the sum of the angles in triangle is and we know two angles and which add to , then . The answer is .