A cylindrical vessel has diameter 56 cm. Outer surface of the vessel is rs. 352 at the rate of .2 per 100 cm square. Find height
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diameter= 21 cm
radius=21/2=10.5
height=14 cm
curved surface area of cylinder= 2πrh
2×22/7×10.5×14
44/7×10.5×14
(14 will be eliminate with 7 )
44×10.5×2=88×10.5
924cm square
area of base circle= πr square
22/7×14
(14 will be eliminate with 7)
22×2=44
924+44=968cm square
968×5/100=4840/100
answer=48.4 rupees
I hope it helps you
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