SOLUTION: the sum of seven of the angles of a decagon is 1170 degrees .The other three angles are all equal to each other.Calculate the sizes of the other three angles.
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Question 1147280: the sum of seven of the angles of a decagon is 1170 degrees .The other three angles are all equal to each other.Calculate the sizes of the other three angles. Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! the sum of seven of the angles of a decagon is 1170 degrees .The other three angles are all equal to each other.Calculate the sizes of the other three angles.
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Hint: The sum of the interior angles of a decagon is 180*8 degrees.