Now there is a rectangle 5cm in length and 4cm in width. If it is rotated around the line on one side, what is the volume of the cylinder? The results are not approximate
There are two answers to this
1、3.14×4²×5=251.5
1、3.14×5²×4=314
There are two answers to this
1、3.14×4²×5=251.5
1、3.14×5²×4=314