Question

Find the exact circumference of a circle with the given radius.

3½ cm

C =

7.5π cm
7π cm
6.25π cm

Answer 1

\[C=2 \pi * r \]
you are given r is 3.5
just replace r with 3.5

Answer 2

and then do the indicated operation in the problem

Answer 3

indicated operation? @freckles

Answer 4

2*r *pi
* means multiply
the operation is multiplication

Answer 5

2*r is the same thing as r+r if you don't like multiplication

Answer 6

\[C=\pi \cdot 2r \text{ or } C=\pi \cdot (r+r)\]

Answer 7

do you know how to do 2*3.5 or 3.5+3.5?

Answer 8

yes lol so it was just 3,5*2 the whole time? @freckles

Answer 9

well times pi

Answer 10

which you will just leave as times pi

Answer 11

since it said exact

Answer 12

ok thnx

Answer 13

np