[Graphs generated by this script: initPicture(-5,12+1,-5,17+1);fill='yellow';path([[0,0],[0,10],[4.5,14],[9,10],[9,0],[0,0]]);text([0,5],'10 m','left');text([4.5,0],'9 m','below');text([2.25,12],'6 m','left');text([6.75,12],'6 m','right');]

Find the perimeter of the figure above.

The perimeter is m.