A room 9 m by 7 m by 5 m has one door 2 m by 1.75 m & two windows , each 1 m by 0.75 m . Find the area of its walls, excluding the door & windows
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a room 5m long .4.5 m wide and 3.6m high has one door 1.5 m bg 2.4 m and two windowa each 1m by 0.75m.find:1.the area of its wls , excluding doors and windows.2.the cost of disterpering its walls at the rate of ₹4.50 per msq. 3 the cost of painting its roof at the rate of ₹9 per msq.
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