trapezoid

Drop the vertical on the right  (see image below)

  find '30'   via pythagorean theorem

     then find  '12'   from     94 - 30 - 52 = 12

        then find   20   from pythagorean theorem (again)

Now you have the length of all four sides       52  + 34 + 94 + 20 = __________ units