Pine wood

We cut a carved beam from a pine trunk 6 m long and 35 cm in diameter. The beam's cross-section is in the shape of a square, which has the greatest area. Calculate the length of the sides of a square. Calculate the volume of lumber in cubic meters.

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

arithmetic

square root

solid geometry

cylinder
cuboid
prism

planimetry

Pythagorean theorem
right triangle
triangle
square
diagonal

Units of physical quantities

unit conversion
volume

Grade of the word problem

practice for 13 year olds
practice for 14 year olds

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