a rectangular room of dimension 8 metre * 6* 3 metre is to be painted if it cost 60 square metre calculate total cost of painting the walls
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lateral surface area=2h(l+b)
Lsa=2*3(8+6)
LSA=6(14)
LSA=84
area to be painted is 84m^2
cost=60*84
=RS.5040
+ cost of ceiling, (if needed)
area of ceileng=8*6
=48m^2
cost=48*60
=Rs.2880
total cost(inc. ceiling)=7990 (5040+2880)
Lsa=2*3(8+6)
LSA=6(14)
LSA=84
area to be painted is 84m^2
cost=60*84
=RS.5040
+ cost of ceiling, (if needed)
area of ceileng=8*6
=48m^2
cost=48*60
=Rs.2880
total cost(inc. ceiling)=7990 (5040+2880)
prachi96:
Bt my ans n ur ans is 5040 bt book's, ans is 7920
It has included the ceiling
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