Question

The radius of a circle is 4.5 in. Find the circumference to the nearest tenth

Answer 1

The circumference is 9. Hope this helps :)

Answer 2

Answer: The Circumference is 9

Explanation:

To find the circumference, need this formula:

`c=2\pi r`

-Place the measurement of the radius onto that equation:

`c=2\pi 4.5`

Then, you solve:

`c=2\pi 4.5`

`c=2` ×
`\pi` ×
`(4.5)`

`c=9` ×
`\pi`

`28.27`

-Round up to the nearest tenth

`28.3`