Question
Yoko painted a grey square on rectangle HJKL as shown. The length of JK is twice of MK. The length of HL is 12 of HJ. Find the area of the unpainted part of the rectangle HJKL.
4 m

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Yoko painted a grey square on rectangle HJKL as shown. The length of JK is twice of MK. The length of HL is 12 of HJ. Find the area of the unpainted part of the rectangle HJKL.