document.write( "Question 1196263: At point \"A\" due east to a hut, the angle of elevation is 55° and at point \"B\" due it's west the angle of elevation is 45°. The distance from point A to B is 15m. Find height of the hut? \n" ); document.write( "
Algebra.Com's Answer #829022 by amoresroy(361)![]() ![]() You can put this solution on YOUR website! Let h = height of the hut\r \n" ); document.write( "\n" ); document.write( "Expressing given problem to systems of equations\r \n" ); document.write( "\n" ); document.write( "(1) Tan 55 = h/(15-x) = 1.428\r \n" ); document.write( "\n" ); document.write( "(2) Tan 45 = h/x = 1 \n" ); document.write( " x = h\r \n" ); document.write( "\n" ); document.write( "Substitute x = h in equation (1) \n" ); document.write( "h/(15-h) = 1.428 \n" ); document.write( " h = 1.428(15-h) \n" ); document.write( " h = 21.422 - 1.428h \n" ); document.write( " 2.428h = 21.422 \n" ); document.write( " h = 8.823 \r \n" ); document.write( "\n" ); document.write( "Answer \n" ); document.write( "The height of the hut is 8.823 meters.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |