form a sheet of 8 square metre a closed cylindrical tank is formed which has 1 metre height and 140 CM diameter how much sheet will be left after making tank
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Answer:
0.52 sq. m
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Hello mate ,
Your answer:-
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Height of closed cylindrical tank ,h=1 m
Base diameter of cylindrical tank =d=140 cm
=140/100
=1.4 m
⇒ Radius of cylindrical tank ,r
=d/2
=1.4/2
=0.7 m
Total surface area of cylindrical tank
=2πr(r+h)=2×22/7×0.7(0.7+1)
=2×22/7×0.7×1.7
=7.48 m^2
so , total 7.48 m^2 sheet is required.
I hope, this will help you.☺
Thank you______❤
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