Lateral with Tom Scott cover image

6: Solve a 13th Century murder!

Lateral with Tom Scott

00:00

How to Make Right Angles in a Pyramid

Jordan says the Egyptians use a loop of rope to calculate right angles. He was about to say clock, because you've got 12 things in a loop. But why do you need 12 evenly spaced knots in the rope for that? Jordan's answer is getting closer getting closer.

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