document.write( "Question 1159745: The angle of elevation from a sailboat in a lake to the top of a vertical cliff is 45∘. The sailboat is 210 feet from the foot of the cliff. How high is the cliff? \n" ); document.write( "
Algebra.Com's Answer #782800 by ikleyn(52800)\"\" \"About 
You can put this solution on YOUR website!
.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The cliff is 210 feet high.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );