Science, asked by chpranav3803, 1 year ago

the length,breadth and heigth of a room are 5m , 4m and 3m respectively. find the cost of white washing the wall of the room and the ceiling at the rate of rs 7.50 per m2. also find the volume of the room

Answers

Answered by starlogo25403
2
LSA of the room + ceiling = 2h (l+b) + lb
= 2x3(5+4)+5x4
=74cm2
Cost for whitewashing= 7.50x74= Rs. 555

Volume= lbh
= 5x4x3 = 60cm3
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