The common formula of volume for some shapes is "base area times height".
This formula can be used to calculate the volume of cylinder, prism, cube, and cuboid.
A cylinder has a circular base, so its base area is the area of a circle.
This formula can be used to calculate the volume of cylinder, prism, cube, and cuboid.
A cylinder has a circular base, so its base area is the area of a circle.
Volume
Volume = Base area × height
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| cylinder |
From the picture above, we know that :
- r = radius of a circle
- h = height of cylinder
Find the base area first :
Base area = area of a circle
Base area = πr²
Now we can proceed to volume formula of cylinder :
The volume of cylinder = base area x height
Volume = πr² × h
That is the formula of cylinder volume.
Area
The formula of an area of a cylinder is :
Area = 2πr × (r+h)
Now, we can calculate the area and volume of a cylinder if its radius and height are known.
Happy calculating...
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