Respuesta :

Hello!

In this formula, C represents the circumference, as pi and r, the radius are in the equation. 2r is also equal to the diameter.

The answer is the circumference.

Hope this helps!

Answer:

The circumference of circle.

Step-by-step explanation:

We have been given a formula [tex]C=2\pi r[/tex]. We are asked to find the formula is used to calculate which value.

We know that our given formula is used to calculate circumference of circle as C stands for circumference of circle and r represents radius of circle.

Therefore, the given formula is used to calculate the circumference of circle.