The log of a trunk is brought down, and its branches and top are cut.
Calculate the volume of a cylindric-shaped log with diameter 25 cm and length 1 m. dm³ round to the nearest whole number
What is considered as a metre cubed of wood is the quantity of wood in 1 m long logs that goes into a cube with 1m egde. There are 30% of voice in a metre cubed of wood. Calculate the real volume of wood that makes up what is considered as a metre cubed of wood.
dm³ round to the nearest whole number