Question

Find the total surface area of a hollow cylinder open at both ends, if its length is
50 cm, external diameter is 30 cm and thickness is 4 cm.​

Answer 1

Step-by-step explanation:

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Answer 2

ANSWER IS ABOVE

I HAVE NOT TAKEN THE AREA OF TWO CIRCLES AS IT IS MENTIONED IN THE QUESTION THAT CYLINDER IS OPEN FROM ENDS

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