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Mathematics 19 Online
OpenStudy (anonymous):

Find the measure of angle A. Show equations and all work that leads to your answer.

OpenStudy (anonymous):

OpenStudy (mathmale):

How many sides does this polygon have? Generally, the sum of all the interior angles of a polynomial of n sides is simply 180(n-2). Does this help?

OpenStudy (mathmale):

Were you to add up all the angles of your polygon, their sum would be equal to what?

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