document.write( "Question 585120: find the measures of an interior angle and an exterior angle of a regular triangle \n" ); document.write( "
Algebra.Com's Answer #373137 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! find the measures of an interior angle and an exterior angle of a regular triangle \n" ); document.write( "-------------- \n" ); document.write( "\"regular\" means all sides and all angles of a polygon are equal. \n" ); document.write( "sides to sides, angles to angles. \n" ); document.write( "-------- \n" ); document.write( "The sum of the angles of a triange is 180 degs \n" ); document.write( "3*angle = 180, so \n" ); document.write( "each interior angle = 60 degs \n" ); document.write( "--------- \n" ); document.write( "Ext = 180 - Int = 120 degs \n" ); document.write( " \n" ); document.write( " |