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Because the bases of the cylinder are circles.

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Q: Why is pi in cylinder formula?
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Related questions

Formula for capacity of a cylinder?

Formula for a cylinder is pi*radius2*height.


What is the formula for finding the area of base of a cylinder?

The circumference of a regular cylinder is the circumference of its circular face. C = pi * D (diameter of the cylinder) C = pi * 2r (or C = 2(pi)r)


Formula for volume of a cylinder?

The formula for volume of a cylinder is pi•r2•h


What is the formula for calcualting volume of a cylinder?

The formula for the volume of a cylinder is: Volume = r2 x Pi x length or height. (r = radius, Pi = 3.1416).


What is the formula for finding the surface area of a cylinder?

The surface area of a cylinder can be found using the following formula - SA = 2(Pi*r2) + (2*Pi*r)*(H) Pi = Approximately 3.14 r = Radius of the base of the cylinder H = Height of the cylinder


Volume of water in a cylinder?

The formula for volume of a cylinder is (pi *r2 )h


Formula for volumn of a cylinder?

For a right cylinder, the formula for volume is quite simple. It is pi times the radius of the cylinder squared times the height of the cylinder.


What is the formula for surface area of a cylinder?

Surface Area = 2(pi r 2) + (2 pi r)* h


What is the formula for the area of a circle and the volume of a cylinder are related?

The formula for area of a circle is radius squared times pi. The formula for volume of a cylinder is radius squared times pi times height.


What is the formula for a cylinder?

2*pi*r2 x 2*pi*rhx=timedSurface Area of a Cylinder = 2 pi r 2 + 2 pi r h Volume of a Cylinder = (2 pi r 2) height


What is the formula for the base of a cylinder?

Surface are of a cylinder: 2(pi)r2 + 2(pi)rh Volume of a cylinder: 2(pi)r2h [pi = 3.14159..., r = radius of the cylinder's cross section, h = height of the cylinder]


What is the formula for finding the volume of a cylinder in BASIC?

Volume of a cylinder = pi*radius2*height