Eric Nicholas K's answer to trish's Secondary 4 A Maths Singapore question.
done
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An idea
Date Posted:
4 years ago
Alternatively, you can also do
r = a - h
Sub into cone formula
V = 1/3 pi (a - h)^2 h
and find h which makes dV/dh zero
r = a - h
Sub into cone formula
V = 1/3 pi (a - h)^2 h
and find h which makes dV/dh zero
thank you! :)
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