the radius of earth is 4000 miles, how far would you travel in going around the equator?
You're looking for the circumference of the earth.
C = pi * d
C = 3.14 * 8,000
C = ?
i don't understand. That my homework question
The radius is 4,000 miles, so the diameter is 8,000 miles.
Multiply: 3.14 times 8,000 to find your answer.