a portrait of length 2.5m and breadth 2m is being framed. the thickness of the frame is 0.5m find the area of the portrait that is visible
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Big rectangle :l=2.5m,b=2m
Area=lb=5m
Small rectangle:l=2.5-0.5-0.5=1.5m,b=1m
Area=lb=1.5m
Area of portrait =5m-1.5m=3.5m
Area=lb=5m
Small rectangle:l=2.5-0.5-0.5=1.5m,b=1m
Area=lb=1.5m
Area of portrait =5m-1.5m=3.5m
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