Ex. 46
a) V = 1/3 πr²h
⇒ 3V = πr²h
⇒ V = (πr²h)/3
b) V = 1/3 πr²h
⇒ r² = V/(1/3 πh)
⇒ r = √(V/(1/3 πh))
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Ex. 46
a) V = 1/3 πr²h
⇒ 3V = πr²h
⇒ V = (πr²h)/3
b) V = 1/3 πr²h
⇒ r² = V/(1/3 πh)
⇒ r = √(V/(1/3 πh))