document.write( "Question 344664: a 4m fence casts a shadow that is 3m long. how far is it from the tip of the shadow to the top of the fence. show solution. \n" ); document.write( "
Algebra.Com's Answer #246609 by Jk22(389)![]() ![]() You can put this solution on YOUR website! the fence is 4m high, hence vertically, \n" ); document.write( "the shadow is 3m long horizontally.\r \n" ); document.write( "\n" ); document.write( "this builds a triangle with a right angle, and cathetes 4 and 3 m resp.\r \n" ); document.write( "\n" ); document.write( "By the pythagorean theorem, the hypothenuse is then : sqrt(3*3+4*4)=sqrt(9+16)=sqrt(25)=5 m \n" ); document.write( " \n" ); document.write( " |