Question

A hemispherical bowl has diameter 9cm the liquid is pourd into cylindrical bottles of diameter 3 cam and height 3cm if a full bowl of liquid is filles in the bottles find how many bottles are required

Answer 1

diameter
$= 9 \\ r = 4.5cm \\ volume \: of \: bowl = \frac{2}{3} \pi \: r ^{3} \\ = 195.852201 \\ volume \: of \: each \: cylinder = \pi \: r ^{2} h \\ = 21.195 \\ no \: of \: cylinders = 195.85 \div 21.195 = 9.24cylinders$