Question
The figure is made up of rectangle EFGH and squares CDML and KMHJ. The length of CD is equal to the length of EF. The length of CL is thrice the length of HJ. Find the length of DE.
3 m

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The figure is made up of rectangle EFGH and squares CDML and KMHJ. The length of CD is equal to the length of EF. The length of CL is thrice the length of HJ. Find the length of DE.