Circumference of a circle = 2*pi*radius or pi*diameter
If you do not have the area, what do you have? The radius is half the diamiter The radius is PieR2 Worked backwards if you know the circumfrence.
It depends on what information you have: radius, diameter, lengths of tangents from a point outside the circle, length of chord and its distance from the centre, etc. Also, the term is circumference, not circumfrence.
A part of a circle is called an arc. The defined values for a circle are: radius, diameter, chord, area, circumference, and the arcs. There is the circumfrence, semi circle, arc, diameter,chord,segment,radius,quaderent
Circumfrence is 2 times pi times the radius 6.3 x 2 x 3.1415 39.5829 approximately 40
25.1
Circumfrence=diameter X 3.14 (diameter=2 X radius)
the circumfrence of a circle is pi times it's radius squared.
18.84
Pi times radius squared.
22*pi
radius = circumference/(2*pi)
The circumference is about 31.415 units.
two times the radius times pi
The circumfrence is like a perimeter. It is the area around a circle. You can find the circumfrence of a circle by using this formula. Pi x R2 or Pi times the radius squared.
8 divided by (2*pi) = a radius of 1.273239545 linear units
Circumference of a circle = 2*pi*radius or pi*diameter