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Mathematics 21 Online
OpenStudy (xxstudyingstuffxx):

What does this mathematical symbol mean?π

OpenStudy (gniiij):

pi

OpenStudy (gniiij):

3.14

OpenStudy (natasha18):

pi and it is equivalent to 3.14

OpenStudy (xxstudyingstuffxx):

Wait. I think I know a few digits of pi. Is it 3.1459363?

Directrix (directrix):

By definition, pi is the ratio of the circumference of a circle to its diameter.

OpenStudy (xxstudyingstuffxx):

3.14159265359

Directrix (directrix):

http://www.dictionary.com/browse/pi

OpenStudy (xxstudyingstuffxx):

What do you use it for?

OpenStudy (anonymous):

https://en.wikipedia.org/wiki/Pi

OpenStudy (gniiij):

it is the ratio of a circles circumference to its diameter

OpenStudy (gniiij):

in other words it is how many times the diameter goes around the whole circle

OpenStudy (xxstudyingstuffxx):

I'm confused. I am in 6th grade, but I have seen π more and more. Not on my tests o lessons, though

OpenStudy (xxstudyingstuffxx):

Is there a trustworthy website where I can learn about circumference and diameter?

OpenStudy (anonymous):

circumference of a circle http://www.mathgoodies.com/lessons/vol2/circumference.html#

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