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Jill Keeve

Pi. Jill Keeve.

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Jill Keeve

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  1. Pi Jill Keeve

  2. 3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679 8214808651 3282306647 0938446095 5058223172 5359408128 4811174502 8410270193 8521105559 6446229489 5493038196 4428810975 6659334461 2847564823 3786783165 2712019091 4564856692 3460348610 4543266482 1339360726 0249141273 7245870066 0631558817 4881520920 9628292540 9171536436 7892590360 0113305305 4882046652 1384146951 9415116094 3305727036 5759591953 0921861173 8193261179 3105118548 0744623799 6274956735 1885752724 8912279381 8301194912 9833673362 4406566430 8602139494 6395224737 1907021798 6094370277 0539217176 2931767523 8467481846 7669405132 0005681271 4526356082 7785771342 7577896091 7363717872 1468440901 2249534301 4654958537 1050792279 6892589235 4201995611 2129021960 8640344181 5981362977 4771309960 5187072113 4999999837 2978049951 0597317328 1609631859 5024459455 3469083026 4252230825 3344685035 2619311881 7101000313 7838752886 5875332083 8142061717 7669147303 5982534904 2875546873 1159562863 8823537875 9375195778 1857780532 1712268066 1300192787 6611195909 2164201989 3809525720 1065485863 2788659361 5338182796 8230301952 0353018529 6899577362 2599413891 2497217752 8347913151 5574857242 4541506959

  3. What is Pi ? • Mathematical constant • Equal to the ratio of a circle’s circumference to it’s diameter • Involved in many scientific, mathematical, and engineering projects circumference diameter

  4. How is Pi classified? • Irrational • Decimal never ends or repeats • Transcendental • No finite sequence of algebraic sequence of integers is equal to that value

  5. Formulas • Area of a Circle A= πr2 • Circumference C=πd • Area of a Sector K=(n/360)(π r2 • Length of a Sector l=(n/360)(2πr)

  6. Pi example • Find the volume of a sphere of radius 9.6 m, rounding your answer to two decimal places. • V= 4/3 ∏ r3 • V= 4/3 x ∏ x (9.6)3 • V= 4/3 x ∏x 884.73 • V= 3705.97 m3

  7. History of Pi And he made a molten sea, ten cubits from the one brim to the other: it was round all about, and his height was five cubits: and a line of thirty cubits did compass it about. I Kings 7:23 2 Chronicles 4:2 950 BC

  8. Rhind Papyrus 1650 BC 3.16 Achimedes of Syracuse 287-212 BC 223/71 < π < 22/7

  9. Pi Historic Landmarks

  10. Historic Pi Computer Calculations

  11. Songs of Pi • Lose Yourself in the Digits • Pi Pi American Pi

  12. Pi Day • Celebrated on March 14 • National Holiday as of March 11, 2009 • Teach Pi

  13. Pi Pop Culture • Gaurav Raja (1990) • June 2005: Recited 10.980 digits • Love Like Pi • Founded in 2006 • Electric rock band • Cologne • Givenchy for men

  14. Pi Pop Culture • Friends of Pi • Pi Fan Club • The Song Pi • Musician Kate Bush, 2005 • PiDay Shirts • Website devoted to selling shirts of pi • The Movie • 1998: Pi by Darren Aronofsky

  15. Pi Trivia Game • http://www.eveandersson.com/pi/trivia/

  16. Fun with pi!! • http://www.123greetings.com/events/pi_day/ • Send a greeting card on pi day! • http://www.angio.net/pi/piquery • Want to find where your cell phone number or birthday is located in pi? • http://cf.oocities.com/ilanpi/pi-exists.html • If you still don’t believe pi exists? Here’s the proof!

  17. Works cited • McCullagh, D. (2009, March 11). National pi day? congress makes it official. Cnet, p. 1-3. • O'Connor, J.J. (2000, September). A chronology of pi. Retrieved from http://www-history.mcs.st-andrews.ac.uk/HistTopics/Pi_chronology.html • Oracle Education Foundation, Initials. (2010, August). Your piece of the pi. Retrieved from http://library.thinkquest.org/C0110195/uses/uses.html

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