the cost of painting the 4 walls of a room at the rate of ₹2.40 per m square is ₹1980.find the hieght of the room if it is 12m long and 10 m wide.
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Answer:
12.13m
Step-by-step explanation:
1980/2.4
825
2h(l+b)=825
2h(10+24)=825
68h=825
h= 12(app)
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