Question

Radius of a circle with a circumference of 28 pie​

Answer 1

The radius is 14.

Explanation:

Since the circumference is 28pi, we can find the diameter.

C = pi•d

C = 28pi

28pi = pi•d

divide both sides by pi.

d = 28

The diameter is 28.

So, cut it in half to find the radius. 28/2 is 14. The radius is 14.

Answer 2

Radius: 14

Explanation:

We know

Circumference of circle = 2 · r · π

Circumference = 28π

Find radius!

Let's solve

28π = 2 · r · π

14π = r · π

r = 14

So, the radius is 14