# A cylindrical ves

Given,

Radius of base = 70 cm

Height = 1.4 m = 140 cm

Because tin is coated on both side of vessel so surface area of side should be calculated,

= 2(2πrh) = cm2

Area of circular bases = 2πr2 =cm2

So, total area to paint = 61600+30800 = 154000 cm2

Cost of coating 1000 cm2 area = Rs. 3.50

cost of coating 154000 cm2 =

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