Respuesta :

MrsStrong

Answer:

60π

Step-by-step explanation:

If the circle has radius of 30 units, substitute r=30 into the formula C = 2πr.

C = 2π(30)

C = 60π

TheBlueFox

To find the circumference of the circle shown here, let's start with writing the formula down.

Circumference = 2[tex]\pi[/tex]r

We have to divide 60 by 2 because the radius is always half the diameter. Now, we can plug in 30 for r in the formula.

Now we have

circumference = 2[tex]\pi[/tex]30.

This equals 60[tex]\pi[/tex].

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