document.write( "Question 118612: The measure of a base angle of an isosceles triangle is 4 times the measure of the vertex angle. Find the measure of the vertex angle. \n" ); document.write( "
Algebra.Com's Answer #86764 by malakumar_kos@yahoo.com(315)![]() ![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( "\n" ); document.write( " The measure of a base angle of an isosceles triangle is 4 times the measure of the vertex angle. Find the measure of the vertex angle\r \n" ); document.write( "\n" ); document.write( " Let the measure of the vertex angle be = x\r \n" ); document.write( "\n" ); document.write( " the measure of the base angles will be = 4x\r \n" ); document.write( "\n" ); document.write( " sum of the angles of a triangle = 180\r \n" ); document.write( "\n" ); document.write( " x+4x+4x = 180\r \n" ); document.write( "\n" ); document.write( " 9x =180\r \n" ); document.write( "\n" ); document.write( " x = 180/9 = 20 deg \n" ); document.write( " therefore the angles of the triangle are 20 deg ,80 deg &80 deg.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |