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Find the perimeter of the figure pictured below.

94210[Graphs generated by this script: initPicture(-2,14,-2,14);path([[0,0],[0,9],[4,9],[4,2],[10,2],[10,0],[0,0]]);text([0,4.5],'9','left');text([2,9],'4','above');text([10,1],'2','right');text([5,0],'10','below');]

Perimeter:

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