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TED-Ed

Euclid’s puzzling parallel postulate - Jeff Dekofsky

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6,790 Questions Answered

TEDEd Animation

Let’s Begin…

Euclid, known as the "Father of Geometry," developed several of modern geometry's most enduring theorems--but what can we make of his mysterious fifth postulate, the parallel postulate? Jeff Dekofsky shows us how mathematical minds have put the postulate to the test and led to larger questions of how we understand mathematical principles.

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

Animator
Andres Bernal, Daniela Bernal
Director
David Bernal
Editor
Gustavo Martinez
Producer
Nestor B. Macias, Sonia Rodriguez
Educator
Jeff Dekofsky
Narrator
Jeff Dekofsky

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