Question
Zoe painted a grey square on rectangle CDEF as shown. The length of DE is twice of GE. The length of CF is 12 of CD. Find the area of the unpainted part of the rectangle CDEF.
4 m

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Zoe painted a grey square on rectangle CDEF as shown. The length of DE is twice of GE. The length of CF is 12 of CD. Find the area of the unpainted part of the rectangle CDEF.