Diameter of a circumferance

Diameter of a circumferance:

Diameter of a circle circumference editorial deals with the definition of the diameter & the circumference & the model issue related to it.
Definition of diameter:

Diameter is the longest line in the circle that passes through the middle of the circle. Diameter of the circle is one time of the radius of the circle.
Circumference:

Circumference is defined as the distance around the circle.

Both the diameter & the circumference are measured in the units (like cm, m)

To know more:

What is acute triangle

Algebra vectorial