Question

A closed metallic cylinder has its base diameter 56 cm and it is 2.72 m high. Find the cost of the metal used to make it if, it costs ₹ 80 per square metre.
Ans is '422.40 . I just need explanation ​

Answer 1

Ok,

Here is your answer

First u find the circumference with the formula 2πr and then find the area, and multiply by the cost that is₹80

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