document.write( "Question 1090543: Find the measure of an interior angle and an exterior angle of a regular decagon. \n" ); document.write( "

Algebra.Com's Answer #704999 by ikleyn(52847) $\"\"$ $\"About$

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document.write( "Decagon is a a plane figure  (polygon)  with 10 (ten) straight sides and angles.\r\n" );
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document.write( "The exterior angle of a regular decagon is  = 36°.\r\n" );
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document.write( "The interior angle of the regular decagon is 180° - 36° = 144°.\r\n" );
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