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The distance around a circle is called the circumference.

Sources:

en.wikipedia.org/wiki/Circumference

edit]. **Circle** illustration with **circumference** (C) in black, diameter (D) in cyan,
radius (R) in red, and centre or origin (O) ...

www.mathgoodies.com/lessons/vol2/circumference.html

www.khanacademy.org/math/basic-geo/basic-geo-area-perimeter/basic-geo-area-circumference/v/circumference-from-area

Here we find the

www.wikihow.com/Calculate-the-Circumference-of-a-Circle

How to Calculate the

www.mathplanet.com/education/pre-algebra/more-about-equation-and-inequalities/calculating-the-circumference-of-a-circle

The distance around a rectangle or a square is as you might remember called the

www.aaamath.com/geo612x4.htm

An interactive math lesson to calculate the

www.youtube.com/watch?v=brxwLXei3so

Nov 15, 2010

www.virtualnerd.com/tutorials/?id=PreAlg_11_01_0010

Then you can use the formula for the

www.bbc.co.uk/schools/gcsebitesize/maths/geometry/circlesrev2.shtml

A secondary school revision resource for GCSE Maths about higher level shapes
and

Popular Q&A

Q:
What is the circumference of a circle ?

A:
The circumference is the distance around the circle , its "perimeter. The circumference of a circle is equal to pi times the diameter of the circle , or pi times ...
Read More »

Source:
wiki.answers.com

Q:
What is the circumference of the circle ?

A:
The circumference of a circle is pi times its diameter. With a radius of 18 cm, the diameter is twice that or 36 cm: C = pi * 36 = 3.14 * 36 = 113.04 cm.
Read More »

Source:
answers.yahoo.com

Q:
What is the circumference of the circle ?

A:
Well if it has a diameter of 3.5 inches, then we use the formula 2(pi)(r), which can be basically simplified to D(pi) (sincen 2 r =D) thus the circumference is ...
Read More »

Source:
answers.yahoo.com

Q:
What is the circumference of the circle ?

A:
The length of rectangle is of 4 and the width is of 3. Since the rectangle is inscribed in a circle , then it's diagonal represents the diameter of the circle . W...
Read More »

Source:
www.enotes.com