Horizon Dip for FE

Here is the derivation for the dip of the horizon for flat earth. If this is the incorrect map, please send the correct flat earth map and I will make on for your map. If this derivation is incorrect, please send the corrected one and I will publish it instead.

Test it:

From 11,074 meters / 6.8 miles, the measured dip is 3.3°. Significantly more than flat earth’s predicted 0.0417°.