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The degree measures of the interior angles of a concave hexagon from an arithmetic sequence. the smallest angle measures 35 degrees. how many degrees are there in the measure of the largest angle?

 Jan 17, 2020
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Sum of all the internal angles = 720°

 

Hence:  35 + (35+a) + (35+2a) + (35+3a) + (35+4a)  (35+5a) = 720

 

Solve for a, then calculate 35+5a.

 Jan 17, 2020

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