an closed cylindrical tank has a diameter of 3.5m and height of 8m. how much will it cost to paint the curved surface and the base of the tank if the rate of painting is Rs 5.00 per m2
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Answered by
7
total cost is ₹488.125
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Aanvigahoi:
3.5 is the diameter
you took it as radius
yes i saw that
i tried to edit
seems your answer is correct
yes
Answered by
4
measurements
=>radius =3.5m/2=350cm/2=175
=>height=8m=800cm
curved surface area(CSA)=2πrh
=>2×22×175×800/7=880000cm²
=>88m²
base => πr²
=> 22×(175)²/7
=>86350cm²
=>8.635m²
total area to be painted =88m²+8.635m²
=>759.88
cost of painting =759.88×5
=>₹3799.4
=>radius =3.5m/2=350cm/2=175
=>height=8m=800cm
curved surface area(CSA)=2πrh
=>2×22×175×800/7=880000cm²
=>88m²
base => πr²
=> 22×(175)²/7
=>86350cm²
=>8.635m²
total area to be painted =88m²+8.635m²
=>759.88
cost of painting =759.88×5
=>₹3799.4
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