Asked by elijeh

find a appropriate formula for the area of a narrow circular ring
Answered by bobpursley
This is not very definitive;
narrow circular ring: washer? wedding band make of circular wire? flat circular ring made of horizontal flat stock rolled in a circle?
Answered by elijeh
wedding band made of circular wire
Answered by elijeh
find a appropriate formula for the area of a narrow circular ring....wedding band made of circular wire
Answered by bobpursley
ok. a donut, or torus. Take notes, stop the lecture as you digest, then go on.

https://www.youtube.com/watch?v=tMVwXglUp60
Answered by elijeh
i am so depress
Answered by elijeh
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