How many cubic centimeters is the volume of the largest cylinder made of cubic wood with 10 cm edge length

How many cubic centimeters is the volume of the largest cylinder made of cubic wood with 10 cm edge length

3.14×（10÷2）²×10
=3.14×5²×10
=3.14×250
=785 (CC)
A: the volume of this cylinder is 785 cubic centimeters

The volume of 60 cubic centimeters cube wood processing into a largest cylinder, the cylinder volume is how many cubic centimeters
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In fact, it is equivalent to drawing a circle on a square. If the side length of the cube is 2a, the area of the square is 4A @, @ represents the square, the area of the circle is pa @, and P represents faction, then the volume of the cylinder is 15p

A cylindrical timber with a diameter of 10 cm and a height of 30 cm is sawn in half to calculate the surface area of the timber
The answer should be more detailed

(3.14 * 10 * 30) / 2 = 471 [this is half of the calculated side area] 30 * 10 = 300 [this is the rectangle after splitting] the square of 3.14 * (10 / 2) = 78.5 [this is the area of a circle added up above and below] 471 + 300 + 78.5 = 849.5 hope to adopt!