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A closed cylindrical tank of radius 5 m and height 2 m is made from a sheet of metal.How much sheet of metal is required? |
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Answer» Answer: Amount of SHEET REQUIRED to make tank=total SURFACE area of cylinder r=7m h=3m =2\pi r\left(r+h\right)2πr(r+h) ==2\times\frac{22}{7}\times7\left(7+3\right)=2× 7 22
×7(7+3) =44\times1044×10 =440\ m^2440 m 2 |
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