A cubical tank with sides 7.1m is to be painted. It costs Rs. 2 per sq.m to paint. Find the total cost to paint all the six sides.
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Surface area of cube=6a²
= 6×7.1×7.1
= 302.46 m²
cost of painting= 302.46×2
= Rs. 604.92
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0
Answer:
Step-by-step explanation:
We have to find first csa of cube ,so CSA=
4×sideka sq.now, CSA=4×7.1×7.1=201.64 now cost=2×201.64=403.28
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