document.write( "Question 178000: I'm trying to help my niece with an isoceles triangle question. It's been years and I have forgotten the formulas! The vertex is 20 degress larger than a base angle. What is the measurement of each angle? Thank you!! \n" ); document.write( "
Algebra.Com's Answer #132975 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Let one of the base angles be x. Then the other base angle must be x also. The vertex angle is 20 degrees larger, so it must be x + 20. We know the sum of the three interior angles of a triangle to be 180 degrees, so:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the two base angles are \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |