Question

an assembly hall is 45m long,30m broad and 16 m high.it has 5 doors,each measuring 4m by 3.5m and has 4 windows 2.5m by 1.6m each. find:- 1.the cost of papering its walls at the rate of rs. 35 per m^2. 2. the cost of carpeting its floor at the rate of rs.154 per m^2.
give me please with formulas.....​

Answer 1

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