Answer :

Length of outer rectangle = 60 + 6 + 6 = 72 cm


Breadth of outer rectangle = 38 + 6 + 6 = 50 cm


Area of wooden frame = Area of outer rectangle – area on inner rectangle


= 72 × 50 – 60 × 38


= 3,600 – 2,280 = 1,320 m2


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