(7/5)^2 = 49/25 ~= 2 (5/7)^2 = 25/49 ~= 1/2 Ancient Egyptians had a ratio for measuring area. Royal Cubit was 7 bandwidths. Remen was 5 handwidths. With that, you can 1/2 or double any area, whether circle, rectangle or square.

(7/5)^2 = 49/25 ~= 2
(5/7)^2 = 25/49 ~= 1/2

Ancient Egyptians had a ratio for measuring area. Royal Cubit was 7 bandwidths. Remen was 5 handwidths.

With that, you can 1/2 or double any area, whether circle, rectangle or square.

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