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In this lesson, you can find out how important the diameter is to a circle. Also, you can learn about the formulas that were figured out by the...


Does not mean anything different just the radius of the circle (formula: pi * diameter). Diameter is the line that runs through the exact middle of the circle.


Definition and properties of the diameter of a circle. ... Given the radius of a circle, the diameter can be calculated using the formula. Diameter. = 2. R. where:


This goes back to manipulating the formula for finding the area of a circle, A = πr2 , to get the diameter. You can transform this into r = √(A/π) cm. For example, if ...


Definitions and formulas for the radius of a circle, the diameter of a circle, the circumference (perimeter) of a circle, the area of a circle, the chord of a circle, arc  ...


Formulas & Tables · References ... diameter: the longest distance from one end of a circle to the other. ... Circumference of Circle = PI x diameter = 2 PI x radius


Geometry calculator solving for circle diameter given radius.


radius diameter circumference: circle/diameter = pi = 3.14159... The Radius is the distance from the center outwards. The Diameter goes straight across the ...


Thus, for any circle, if you divide the circumference by the diameter, you get a value close to pi.gif . This relationship is expressed in the following formula:.