value of pi and 22/7

[Lawrence D’Oliveiro]

On Monday, June 20, 2016 at 7:32:54 PM UTC+12, Marko Rauhamaa wrote:

> Width/height ratio of the pyramid of Cheops was so close to π/2 that UFO
> enthusiasts were convinced alien technology was used in the construction
> of the pyramids.

They were also able to get the bases of the pyramids horizontal to within about a centimetre. Amazing achievement, but entirely achievable with bronze-age technology.