Original height of the Great Pyramid × 43,200 ≈ Earth’s polar radius.
Base perimeter of the Great Pyramid × 43,200 ≈ Earth’s equatorial circumference
43,200 x 2 = 86,400, the exact number of seconds in a solar day.
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pyramid’s latitude (29.9792458° N) matches the leading digits of the speed of light in vacuum: 299,792,458 m/s.