Finding the mass

Algebra Level pending

A pipe is in the form of a hollow cylinder as shown in the figure above. Find its mass in kilograms when its length is \(1.5\) \(m\), its outside diameter is \(300\) \(mm\), its inside diameter is \(200\) \(mm\) and its density is \(5500\) \(\frac{kg}{m^3}\).

Round off your answer to the nearest whole number.

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