Posted by **katy** on Saturday, September 10, 2011 at 7:09pm.

the radius of earth is 4000 miles, how far would you travel in going around the equator?

- astronomy -
**Ms. Sue**, Saturday, September 10, 2011 at 7:12pm
You're looking for the circumference of the earth.

C = pi * d

C = 3.14 * 8,000

C = ?

- astronomy -
**katy**, Saturday, September 10, 2011 at 7:18pm
i don't understand. That my homework question

- astronomy -
**bobpursley**, Saturday, September 10, 2011 at 7:21pm
Katy: what is PI*8000?

- astronomy -
**katy**, Saturday, September 10, 2011 at 7:27pm
The radius of earth is 4000 miles, how far would you travel in going around the equator? I need the answer to this.

- astronomy -
**Ms. Sue**, Saturday, September 10, 2011 at 7:28pm
The radius is 4,000 miles, so the diameter is 8,000 miles.

Multiply: 3.14 times 8,000 to find your answer.

- astronomy -
**katy**, Saturday, September 10, 2011 at 7:36pm
thanks

- astronomy -
**Ms. Sue**, Saturday, September 10, 2011 at 7:57pm
You're welcome.

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