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Josh
Lv 5
Can someone explain this formula to me?
http://i.imgur.com/DhYYykq.png
I'm sure the + is supposed to be an = but I don't understand the dl term at all.
1 Answer
Relevance
- az_lenderLv 77 years agoFavorite Answer
It sounds as if they're saying d-sub-l is found by taking the smallest and largest diameters in the size class, then cubing each of those two, and taking their arithmetic average.
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