Make v the subject of the formula from r sqrt f... - JAMB Mathematics 2022 Question
Make v the subject of the formula from r = \( \sqrt \frac{3v}{\pi h} \)
A
v = 3 \(πr^2\) h
B
v = \(\frac{πrh}{3}\)
C
v = \(\frac{πr^2h}{3}\)
D
v = 3πrh
correct option: c
Given r = \( \sqrt \frac{3v}{\pi h} \)
Square both sides:
r\(^2\) = \(\frac{3v}{πh}\)
cross multiply
3v = r\(^2\) * πh
v = \(\frac{πr^2h}{3}\)
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