Question
Cathy 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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Cathy 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.