document.write( "Question 760100: A polygon has n sides. Two of its angles are right angles and each of the remaining angles is 144 degrees. Find the value of n. \n" ); document.write( "
Algebra.Com's Answer #462425 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! SIDES___________TOTAL DEGREES \n" ); document.write( "3_______________180 \n" ); document.write( "4_______________180*2 \n" ); document.write( "5_______________180*3 \n" ); document.write( "6_______________180*4 \n" ); document.write( "n_______________180(n-2)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You case indicates \n" ); document.write( "You have 2*90 plus (n-4)*144 total degrees where n is also the count of the angles. The 144 degree angles will sum to \n" ); document.write( "\n" ); document.write( "15(n-4)=(n-2)12 \n" ); document.write( "5(n-4)=4(n-2) \n" ); document.write( "5n-20=4n-8 \n" ); document.write( "n=20-8 \n" ); document.write( "n=12 \n" ); document.write( " |