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Subjects>Math>Geometry

What is the radius of a circle if given the circumfrence?

Anonymous

∙ 15y ago

Updated: 9/13/2024

Remember the circle eq'n.;-

C = 2 pi r

By algebraic rearrangement

r = C / (2*pi)

lenpollock ∙

Lvl 16

∙ 6mo ago

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More answers

The circumference (c) of a circle = 2πr (where r = radius). Therefore if you know the circumference, the radius (r) = c/2π.

Wiki User

∙ 15y ago

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Continue Learning about Geometry

What is the circumfrence of a circle?

Circumference of a circle = 2*pi*radius or pi*diameter

How do you find the radius of a circle if you don't have the area?

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.

How do you find area and circumfrence of a circle?

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.

What are the parts of a circle?

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

Finding the circumference of a circle with a radius of 6.3?

Circumfrence is 2 times pi times the radius 6.3 x 2 x 3.1415 39.5829 approximately 40

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