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.

Algebra ->  Polygons -> 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.      Log On


   



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) About Me  (Show Source):
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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.