The internal and external radius of a metallic cylinder are 3cm and 3.5cm respectively .If the length of the pipe is 56cm then what is the total surface area of the pipe
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The internal and external radius of a metallic cylinder are 3 cm and 3.5 CM respectively if the length of the pipe is 56 cm find its total surface area use Pi 3.14.
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U r answer is 2306.33 cm²
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