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Surface Areas And Volumes

Question 6:

A solid iron pole consists of a cylinder of height 220 cm and base diameter 24 cm, which is surmounted by another cylinder of height 60 cm and radius 8 cm. Find the mass of the pole, given that 1 cm3 of iron has approximately 8 g mass. [Use π = 3.14]

Answer:

From the figure, it can be observed that

Height (h1) of larger cylinder = 220 cm

Rad...

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