document.write( "Question 989336: The two guy wires supporting a tower form an isosceles triangle with the ground. Each of the base angles of the triangle is 7 times the third angle (the vertex angle). Find the measure of the vertex angle. \n" ); document.write( "
Algebra.Com's Answer #609687 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The two guy wires supporting a tower form an isosceles triangle with the ground. \n" ); document.write( " Each of the base angles of the triangle is 7 times the third angle (the vertex angle). \n" ); document.write( " Find the measure of the vertex angle. \n" ); document.write( ": \n" ); document.write( "let A = the vertex angle \n" ); document.write( "then \n" ); document.write( "7A = the base angles \n" ); document.write( ": \n" ); document.write( "7A + 7A + A = 180 \n" ); document.write( "15A = 180 \n" ); document.write( "A = 180/15 \n" ); document.write( "A = 12 degrees is the vertex angle \n" ); document.write( " |