An open cylinder oil tank has diameter 14m and height 9m. If the inner side of the tank has to be painted all over, what will it cost at ₹40 per square metre
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Answered by
27
CSA=2πrh
=>2x22/7x7x14
=>616m²
Area of base=2πr
=>44m²
Total area to be painted=616+44=660m²
Cost =660x40=₹25400
Hope this will help u
=>2x22/7x7x14
=>616m²
Area of base=2πr
=>44m²
Total area to be painted=616+44=660m²
Cost =660x40=₹25400
Hope this will help u
farhan22:
wrong answer
Is it ryt now or not
Plz tell
its wrong ans
you used csa formula should use tsa formula
But cylinder is open
Answered by
10
answer is 28160 by using TSA formula of cylinder
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