document.write( "Question 148148: to the nearest tenth of a degree, how large are the congruent angles of an isosceles triangle that is exactly as tall as it is wide? (There is more than one interpretation.) \n" ); document.write( "
Algebra.Com's Answer #108541 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Draw it and you'll see that the altitude forms 2 right triangles. The bottom of either right triangle is 1/2 of the altitude.
\n" ); document.write( "So, the tangent of the angles on the base is L/(L/2), = 2.
\n" ); document.write( "The angle is 63.4 degrees.
\n" ); document.write( "
\n" );