Find the perimeter of the trapezoid below. [asy] size( 200 ) ; draw( (0,0)--(24,0)--(24,13)--(0,20)--cycle ) ; draw(rightanglemark( (24,0) , (0,0) , (0,20) , 40 )) ; draw(rightanglemark( (24,13) , (24,0) , (0,0) , 40 )) ; label( "$24$" , (0,0)--(24,0) , S ) ; label( "$13$" , (24,0)--(24,13) , E ) ; label( "$25$" , (24,13)--(0,20) , NE ) ; [/asy] PLS HALP
