Question 766687
answer: Triangle {{{ABC}}} is similar to both triangle {{{ACE}}} and triangle {{{CBE}}}.


{{{drawing( 600, 600, -15, 15, -15, 15, 
         grid(0),
         (triangle( 1, 1, 13, 1, 7, 7 )),red(line(7.2,1,7.2,7),blue(line(1,1,13,1), 
  (locate( 1,1,A)), locate(13,1,B), locate( 7,7.5,C)),locate( 7,1,E))  )
)}}}