Traditional Culture Encyclopedia - Traditional stories - As follows, a rectangular piece of iron sheet can be made into an iron drum without a cover. How many liters of water can this barrel hold?
As follows, a rectangular piece of iron sheet can be made into an iron drum without a cover. How many liters of water can this barrel hold?
6.28 is the circumference of the bottom surface. As shown in the figure, the height and diameter of the bottom surface are equal.
Bottom radius: 6.28/3. 14/2= 1.
Bottom area: 3.14 *1*1= 3.14.
Height: 6.28/3. 14=2
Volume: 3. 14*2=6.28
Agreed, please adopt!
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