Four interior angles of an heptagone are 100°,150°,125° and 105° respectively.if the 5th interior angle is twice the size of the 6th,and 7th angle is half the 6th angle,find the size of the 7th angle
asked Apr 21, 2014 in Geometry Answers by anonymous

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answered Jan 10 by Mathical Level 10 User (55,420 points)
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