Cross-section of iron bar

What is the mass of an iron bar 1.5 m long, the cross-section of which is a rhombus with side a = 45 mm and a corresponding height of 40 mm? Iron density ρ = 7.8 g/cm³? What is the surface of the iron rod?

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

solid geometry

surface area
prism

planimetry

area of a shape
rhombus

Units of physical quantities

mass
unit conversion
density
volume

Grade of the word problem

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