snell's answer to xy's Secondary 4 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
snell
Snell's answer
333 answers (A Helpful Person)
hope this helps. :)

*aiyo, u dun hv to downvote my previous post mah,...
xy
Xy
5 years ago
Ok, I think I roughly got it. Thank you! (:
snell
Snell
5 years ago
can u remove the downvote
and return the upvote? :)
#discouraged
snell
Snell
5 years ago
and u dun sound convinced.

just rem:
magnitude of R depends on the magnitude of A , not r or diameter
xy
Xy
5 years ago
Ok! Thank you (: