The circumference is always (pi) times the diameter. That's why (pi) is such an
important number in math and Physics.
The reason it's represented as a symbol, instead of just writing the number, is that
it's an irrational number and can't ever be written exactly. We can write it with as
many decimal places as we want to, but anything we write is always a round-off.
It never comes out even.
Here are 15 decimal places of pi. Use as few or as many as you feel like. The more
decimal places you use, the more accurate your answer is. But it can never be exact.
Pi = 3.14159 26535 89792 (rounded)
On the other hand, if you just use (22/7) for (pi), then your answer is less than 0.1% wrong.
by Pi, 3.141
The circumference of a circle divided by its diameter is equal to the value of pi.
Pi is related to the diameter of a circle through the circumference. C=(pi)*d C = circumference (perimeter of the circle) pi = constant d = diameter
Pi (approximately 3.14) is the ratio of the circumference of a circle to its diameter. It is calculated by circumference divided by diameter.
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Doubling the radius doubles the circumference.
the formula to find the circumference of a circle is pi times the diameter. So basically take the diameter and multiply it by 3.14 and that's the circumference.
Boundry of circle is called circumference.
If the diameter of a circle is 69mm then the circumference is: 216.8mm (diameter x pi = circumference).
Diameter of a circle = circumference/pi
Diameter of a circle = circumference/pi
The circumference of a 13.5 diameter circle is: 42.41(diameter x pi = circumference).
If a circle has a circumference of 8 the diameter is: about 2.546 (circumference divided by pi = diameter).