Why 8"×d² is only an approximation for short distances

This geometry shows that using 8"×d² gives bad values for larger values of d, and the link explains why it's the wrong formula to use. https://flatearthinsanity.blogspot.com/2016/08/flat-earth-follies-how-to-derive-8-per.html

 

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Activity
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Target Group (Age)
13 – 19+
Language
English
 
 
 
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