Euclid’s puzzling parallel postulate - Jeff Dekofsky

Instructional Resource

TED-Ed Lesson: 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 larg…

Publisher
TED Ed