A room is 9.5m long, 7.5m broad and 2.5m high. It has one door of dimensions 2m *3m and two windows each of dimensions 3.5*2m.find the cost of painting the four walls at RS 5.60 per square metre.
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firstly you find out lateral surface area
then area of door and area of window
now lateral surface area - area of door + area of window
then multiple with 5.60
so u give cost of painting
then area of door and area of window
now lateral surface area - area of door + area of window
then multiple with 5.60
so u give cost of painting
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