Create and share a new lesson based on this one.

About TED-Ed Selects

TED-Ed Selects are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

Meet The Creators


Additional Resources for you to Explore
Barry Mazur (Harvard University) is the story teller in this video. Here's his book.
Don't forget to check out the moral of the scale fable.
For a pretty complex explanation of the Pythagorean Theorem, check this out.
For lots of other interesting videos about how math can apply to real life situations, check out TED-Ed's series, Math in Real Life.
To find the scale factor in similar figures, check out this video.
Animation: Pete McPartlan ---
Music: Alan Stewart ---
Lesson Creator
New York, NY, United States