Homework Help

The diameter of the earth at the equator is 800 miles calculate the circumference of...

user profile pic

dotta12345 | Student, College Sophomore | (Level 2) Honors

Posted February 23, 2012 at 1:56 AM via web

dislike 0 like

The diameter of the earth at the equator is 800 miles calculate the circumference of the earth at the equator Using  4(8/9)²

1 Answer | Add Yours

user profile pic

nathanshields | High School Teacher | (Level 1) Associate Educator

Posted February 23, 2012 at 5:01 PM (Answer #1)

dislike 0 like

The circumference of a circle is its diameter multiplied by pi.

You're using pi = 4(8/9)^2

So the circumference would be 800*4*(8/9)^2 = 2528 miles

But since the diameter is rounded to the hundreds, 2500 would be a good answer.

Join to answer this question

Join a community of thousands of dedicated teachers and students.

Join eNotes