Question

A cylinder shaped water tank has a diameter of 8 m and a height of 20 m. What volume of water does the tank contain when it is 60% full? Use 3.14 to approximate pi. Enter your answer as a decimal to the hundredths place in the box. m³

Answer 1

$this \: is \: the \: for \: silinder = \pi \: {r}^{2} h \\ r = 8 \div 2 \\ \: \: \: \: \: = 4 \\ ( \frac{22}{7} \times {4}^{2} \times 20) \\ = 1005 \frac{5}{7} \\ \frac{60}{100} \times 1005 \frac{5}{7} \\ = 603 \frac{3}{7}$

Answer 2

It holds 602.88 m3 of water :)