Question
Pamela painted a grey square on rectangle NPQR as shown. The length of PQ is twice of SQ. The length of NR is 12 of NP. Find the area of the unpainted part of the rectangle NPQR.
4 m

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Pamela painted a grey square on rectangle NPQR as shown. The length of PQ is twice of SQ. The length of NR is 12 of NP. Find the area of the unpainted part of the rectangle NPQR.