Hint to Riddle #67: How Far is the Horizon
67. How far is the Horizon?
There are other methods, but I think if you look at the diagram and apply Pythagoras Theorem it shouldn't be too hard.
Based on RE = 6,371,000m for someone of about 6ft you should get s little under 5km
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Questions Answer
Based on RE = 6,371,000m for someone of about 6ft you should get s little under 5km
Where next?
Questions Answer
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