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TED-Ed

The infinite life of pi - Reynaldo Lopes

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17,074 Questions Answered

TEDEd Animation

Let’s Begin…

The ratio of a circle's circumference to its diameter is always the same: 3.14159... and on and on (literally!) forever. This irrational number, pi, has an infinite number of digits, so we'll never figure out its exact value no matter how close we seem to get. Reynaldo Lopes explains pi's vast applications to the study of music, financial models, and even the density of the universe.

Watch the video and finish the Think section to complete the lesson.


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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

Director
Igor Coric
Educator
Reynaldo Lopes
Narrator
Addison Anderson

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