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The length of the circumference

The length of circumference through its radius

Définition:

The circumference is a lot of points on a surface, equally displaced from a point on this surface which is the center of the circumference.

The segment that connects a point of the circumference with its center is called the radius of this circumference.

The length of the circumference by its radius, is twice the product of Π and its radius values.

The length of the circumference by its diameter, is the product of Π and its diameter values.

Relation de calcul:

où:

r — radius of circumference.

Calculator: the length of circumference by its radius


For separation of number integers and decimals, use the symbol – point [.]

radius of circumference — r

 


the length of the circumference =

 

The length of circumference by its diameter

Relation de calcul:

où:

d — diameter of circumference.

Calculator: the length of circumference by its diameter


For separation of number integers and decimals, use the symbol – point [.]

diameter of circumference — d

 


the length of the circumference =

 

 

Informations contextuelles: unité de mesure contemporaine et archaïque de la superficie