document.write( "Question 775388: the exterior of a pentagon are in the ratio 1:2:3:4:5. find all the interior angle of the pentagon.
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Algebra.Com's Answer #472956 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! the exterior of a pentagon are in the ratio 1:2:3:4:5. find all the interior angle of the pentagon. \n" ); document.write( "------------- \n" ); document.write( "The sum of the exterior angles of all polygons = 360 degrees \n" ); document.write( "--- \n" ); document.write( "1x + 2x + 3x + 4x + 5x = 360 \n" ); document.write( "15x = 360 degs \n" ); document.write( "x = 24 degs \n" ); document.write( "---------- \n" ); document.write( "Each interior angle = 180 - 24*n, n = 1...5 \n" ); document.write( "--> 24, 48, 72, 96, 120 degs \n" ); document.write( " \n" ); document.write( " |