document.write( "Question 254970: what is the angle measurement of a regular 13-gon and a regular 20-gon \n" ); document.write( "
Algebra.Com's Answer #187243 by JimboP1977(311)![]() ![]() You can put this solution on YOUR website! Interior Angle of regular polygon = 180 times number of sides-360 all divided by the number of sides\r \n" ); document.write( "\n" ); document.write( "I=(180n-360)/n \n" ); document.write( " |