a cylindrical vessel open at the top has a diameter of 21 cm and height 16cm find the cost of tin plating it on the inside @ rupees 10 per 100 square CM
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r =1/2 × diameter
=1/2 × 21
=10.5cm
surface area of cylinder=2×pie ×r×h
=2 × 22/7× 10.5 ×24
=1584cmsq
cost =10rs per cmsq
thus total cost=1584 ×10
=15840rs
=1/2 × 21
=10.5cm
surface area of cylinder=2×pie ×r×h
=2 × 22/7× 10.5 ×24
=1584cmsq
cost =10rs per cmsq
thus total cost=1584 ×10
=15840rs
drishtigulati:
thank u for the help but in my book the ans is different
whats the ans
i will correct myself
the ans is140.25
can u wait
The answer is wrong it's answer is 140.25
Answered by
1
Step-by-step explanation:
the above one is right do not need to repeat
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