Find the volume in cm³ of a length of pipe which has these measurements. Volume of a cylinder = πr²h π = 3.14 Volume = cm3 (round to the nearest thousand)
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Step-by-step explanation:
Calculating the Volume of a Cylinder

1
Find the radius of the circular base. Either circle will do since they are the same size. If you already know the radius, you can move on. If you don't know the radius, then you can use a ruler to measure the widest part of the circle and then divide it by 2. This will be more accurate than trying to measure half of the diameter. Let's say that the radius of this cylinder is 1 inch (2.5 cm). Write it down.
If you know the diameter of the circle, just divide it by 2.[2]
If you know the circumference, then you can divide it by 2π to get the radius.[3]

2
Calculate the area of the circular base. To do this, just use the formula for finding the area of a circle, A = πr2.[4] Just plug the radius you found into the equation. Here's how to do it:
A = π x 12
A = π x 1
A = π
Since π is normally rounded to 3.14, you can say that the area of the circular base is 3.14 in.2