SOLUTION: Four of the angles of a pentagon are 136 degrees, 81 degrees, 140 degrees and 89 degrees. calculate the fifth angle
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Question 1056700: Four of the angles of a pentagon are 136 degrees, 81 degrees, 140 degrees and 89 degrees. calculate the fifth angle
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The sum of the 5 interior angles is 540 degs.
sum = 180*(n-2) = 180*3 = 540
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