document.write( "Question 884838: a pentagon of 5 sides has three angles which are each 140 degrees,the other two interior angles are equal.calculate the size of one of these angles \n" ); document.write( "
Algebra.Com's Answer #534801 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! a pentagon of 5 sides has three angles which are each 140 degrees,the other two interior angles are equal.calculate the size of one of these angles \n" ); document.write( "-------------- \n" ); document.write( "a pentagon of 5 sides - all pentagons have 5 sides \n" ); document.write( "---------- \n" ); document.write( "The sum of the internal angles = (n-2)*180 degs \n" ); document.write( "n = 5 \n" ); document.write( " \n" ); document.write( " |