Question

What is the approximate circumference of a circle with a diameter of 9? Round answer to nearest tenth.​

Answer 1

113.1

Explanation:

Write down the equations on the top of your paper; it could help you throughout your homework.

The equation for circumference is 2 times pi, times the radius.

The Radius is the diameter times two.

2 times 9=18, so therefore the radius is 18.

Once you have that done, just put in your calculator 2 times pi times 18.