Date modified: Mon 2023-09-18 . 09:01 AM
Date created: Sat 2023-10-07 . 09:02 PM
# Make right angle with a rope. Some believe ancient Egyptians could actually use a rope to create a right angle at any location $P$, pointing in any direction they desire. How might that work? Can you do it using just rope (and something to cut the rope), and nothing else? ![[1 teaching/summer program 2023/week 1/---files/Pythagorean_theorem_and_orthogonality 2023-05-09 12.40.08.excalidraw.svg]] %%[[1 teaching/summer program 2023/week 1/---files/Pythagorean_theorem_and_orthogonality 2023-05-09 12.40.08.excalidraw|🖋 Edit in Excalidraw]], and the [[summer program 2023/week 1/---files/Pythagorean_theorem_and_orthogonality 2023-05-09 12.40.08.excalidraw.dark.svg|dark exported image]]%% Try it with some yarn.