3. A cylindrical pipe is of length 28 m and diameter
5 cm. Find the total surface area of the pipe.
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Refer to the attached file.
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height = 2800m
diameter = 5cm
radius = 5/2cm
total surface area = 2πr (r+h)
2*22(5+2800)/7
2*22*2805/7
17631.42
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