document.write( "Question 759430: A tree with a height of 12 yards casts a shadow that is 33 yards long at a certain time of day. At the same time, another tree nearby casts a shadow that is 20 yards long. How tall is the second tree? \n" ); document.write( "
Algebra.Com's Answer #462091 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Similar triangles. \n" ); document.write( "Height of first tree/ x (Unknown height of other tree) \n" ); document.write( "= Length of first shadow/ Length of second shadow \n" ); document.write( " 12/x = 33/20 \n" ); document.write( "Cross multiply \n" ); document.write( "33x = 240 \n" ); document.write( " x = 240/33 \n" ); document.write( "x = 7.27 yds. \n" ); document.write( "This is the height of the second tree. \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |