Mathematics, 05.08.2021 21:40 jaylaa04

A. Calculate the volume of copper used to make a copper pipe which is 50cm long, that has an outer diameter of 8cm and a thickness of 5mm. b. A cylinder has a base radius of 4.5cm and a volume of 1200cm. What is the height of this cylinder?

Please show working and formulae for both questions separately!
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