Answer:
L=25m
B=20m
H=2m
So,Lateral surface area(or area of four wall)=2(l+b)×h
2(25+20)×2m^2
2×45×2m^2
180m^2
And area of floor=25×20=500m^2
So,total area=180+500=680m^2
Cost=Rs.680×20=Rs.13600
Step-by-step explanation:
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Answer:
L=25m
B=20m
H=2m
So,Lateral surface area(or area of four wall)=2(l+b)×h
2(25+20)×2m^2
2×45×2m^2
180m^2
And area of floor=25×20=500m^2
So,total area=180+500=680m^2
Cost=Rs.680×20=Rs.13600
Step-by-step explanation: