Cylindrical column

What is the mass of a reinforced concrete cylindrical column with a radius of 30 cm and a height of 4.5 m if the density of reinforced concrete is 2400 kg/m³? Round the result to whole kilograms.

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You need to know the following knowledge to solve this word math problem:

solid geometry

cylinder

planimetry

area of a shape

Units of physical quantities

mass
density
volume

Grade of the word problem

practice for 11 year olds
practice for 12 year olds

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