11. A room 12 m long and 7 m wide is surrounded by a verandah of uniform width of 3.5 m. Find the area of the verandah. please make in copy
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Answer:
Area of room=12x7m
=84m^2
Area of room including verandah=(12+3.5) x7
=108.5m^2
Area of verandah=108.5-84
=24.5m^2
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