Question

whats the circumference of a circle with the radius of 8 inches​

Answer 1

Answer:

This is about the very definition of

π

. That magical number is the ratio between the circumference and the diameter, i.e.

π

=

C

d

Now, remember that the diameter is twice the radius,

π

=

C

2

r

And solve for

C

:

2

r

π

=

C

Thus, if the radius is

8

, the circumference will be

2

⋅

8

⋅

π

=

16

π

Answer 2

Answer:

Your answer is 50.24 inches.