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Not quite sure what you mean by "volume". Pi is an irrational number, meaning that it can't be written exactly as a decimal, or as a fraction. However, you can get as close as you like, by writing sufficient decimals. The 12 or 15 digits provided by calculators and computers are usually more than enough.
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Exact value of pi to 10 decimal places?
3.1415926536 is to 10 places but not exact. The only exact value of pi is pi itself. So any exact answer involving pi would include pi in the answer.
How do you find the radius of a cylinder using volume and height?
Volume = pi x r^2, so r^2 = volume/ pi r = sq root(volume/pi).
How much water does it take to fill a twenty four inch pipe by one foot long?
Assuming cylinder: volume = area of circle * length area of circle = pi*radius**2 radius = circumference/(2*pi) radius = diameter/2 if 24 inch is circumference: volume = pi*(24/(2*pi))**2 * 12 volume = 144/pi*12 volume = 1728/pi inch**3 if 24 inch is diameter: volume = pi*(24/2)**2 * 12 volume = pi*144*12 volume = pi*1728 inch**3 if 24 inch is radius: volume = pi*24**2 * 12 volume = pi*576*12 volume = pi*6912 inch**3 if 24 in
How do you find the volume for circular cylinder?
Volume = (Pi/4) * diameter2 * height or volume = Pi * radius2 * height
What is the exact area of a circle with a diameter of 25 m?
The exact area is 625*pi. Since pi is an irrational number, any exact answer must include pi and may not contain a decimal (or rational) approximation of pi.
