you double the radius to find the diameter.
diameter = circumference/pi
To find the diameter of a circle you multiply the radius by 2 or d=r2
You cannot find the diameter of something from its circumference unless it is a circle and, in that case, diameter = circumference/pi
Diameter = radius * 2 Circumference = pi * diameter.
Pi (3.142) multiplied by the diameter.
Circumference is (pi x diameter of circle). (Diameter is the distance across the circle, going through the very centre. It is also twice the radius, which is the distance from the middle of the circle to the outer edge). In the question you don't indicate what the 14cm is (i.e. diameter/radius ?), so I can't work it out for you.
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FIND OUT YOURSELF
The largest prime number found using Euler's formula, known as Euler's prime, is 2^2^5 + 1, which equals 4294967297. This number was discovered by Euler in the 18th century, and it remained the largest known prime for many years.
Take the circumference divided by pi to find the diameter and divide the diameter by two to find the radius.
You multiply the diameter by pi (3.14) and u find the diameter
you double the radius to find the diameter.
Diameter=2piR
To find diameter, multiply raduis by two.
If the diameter is 1.5m then the radius is 0.75 m. If the diameter is not 1.5m then it what is 1.5m?
To find the diameter you need to know what the radius of the circle which is from the center to the circumference ,the edge, then you times it by two and that's how yo find the diameter