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.

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