en.wikipedia.org/wiki/Circumference

The circumference of a closed curve or circular object is the linear distance
around its edge. The circumference of a ...

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
perimeter. The distance around a circle on the other hand is called the ...

www.answers.com/Q/The_perimeter_of_a_circle_the_distance_around_a_circle

Circumference (perimeter) of a circle = pi x diameter. Diameter of a circle is the
straight line distance from one side to the other which passes through the centre
...

www.mathopenref.com/circumference.html

Circumference, Perimeter of a circle. From Latin: circum "around" + ferre "to carry"
. The distance around the edge of a circle. Also 'periphery' , 'perimeter'. Try this ...

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

The distance around a circle is called the circumference. The distance across a
circle through the center is called the diameter. Pi is the ratio of the ...

www.aaamath.com/geo612x4.htm

The circumference of a circle is the distance around the outside of the circle. It
could be called the perimeter of the circle. How to find the circumference of a
circle ...

www.eduplace.com/parents/resources/homework/pdf/geometry.pdf

Definitions: perimeter: the distance around a figure circumference: the distance
around a circle area: the number of square units in a region. ∏ (pi): the ratio of ...

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

Write down the formula for finding the circumference of a circle using the
diameter. The formula ... Circumference is the distance around the perimeter of a
circle.

www.reference.com/math/perimeter-circle-6328a789a786a595

To find the perimeter of a circle, also known as the circumference, plug the ... The
Perimeter of a Circle the Distance around a Circle · A Figure Having a Polygon ...

www.coolmath.com/reference/circles-geometry

(the perimeter of a circle):. circle graphic. The circumference of a circle is the
perimeter -- the distance around the outer ...