Question
Yoko painted a grey square on rectangle BCDE as shown. The length of CD is twice of FD. The length of BE is 12 of BC. Find the area of the unpainted part of the rectangle BCDE.
4 m

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Yoko painted a grey square on rectangle BCDE as shown. The length of CD is twice of FD. The length of BE is 12 of BC. Find the area of the unpainted part of the rectangle BCDE.