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Find the unknown lengths for the similar triangles below.

[Graphs generated by this script: initPicture(-1,11,0,2.25);stroke="black";path([[1,1],[10,1],[3,2],[1,1]]);text([2,1.5],"3.5 m",left);text([6.75,1.8],"11.5 m");text([5,0.8],"12 m");] [Graphs generated by this script: initPicture(-1,11,0,2.25);stroke="black";path([[1,1],[10,1],[3,2],[1,1]]);text([2,1.5],"8.4 m",left);text([6,1.8],"x");text([5,0.85],"y");]

m (If needed, round to 2 decimal place.)

m (If needed, round to 2 decimal place.)

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