Question
The figure is made up of rectangle FGHJ and squares DENM and LNJK. The length of DE is equal to the length of FG. The length of DM is thrice the length of JK. Find the length of EF.
3 m

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The figure is made up of rectangle FGHJ and squares DENM and LNJK. The length of DE is equal to the length of FG. The length of DM is thrice the length of JK. Find the length of EF.