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| Some facts about PI:
- Pi is a greek letter
- Pi is a constant number-- for all circles of any size, Pi will be the same
- Pi is an irrational number
- Pi is infinite
- Pi never repeats
- Pi is approximately 3.1415926535897932384626433832795......
- Pi is the ratio of a circle's circumference to it's diameter.
- Pi is often used in solving geometry problems, for example:
The area of a circle:
A = πr2
The volume of a cylinder:
V = πr2h
- Pi is essential to engineering, architecture, and construction.
- Pi is used by NASA scientists and engineers to explore other planets.
- Pi day is physicist Albert Einstein's birthday.
Check out this infographic to see how NASA uses Pi. Learn more about Pi and geometry here. |
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| | | Watch the video below for some more interesting facts about Pi. Also, take the survey to receive credit. |
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| | | | | | | FCEA TRiO programs are funded by the Department of Education |
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