Mike built

Mike built a cylindrical water tank with a radius of about 1.8 m and height of 2 meters. How many liters of water will it hold?

Correct result:

V =  20358 l

Solution:

$$\begin{gathered} r=1.8\text{ m } \\ h=2\text{ m } \\ {V}_1=\pi \cdot r^2\cdot h=3.1416\cdot 1.8^2\cdot 2\doteq 20.3575{\text{m}}^3 \\ V=V_1\to \text{ l}=V_1\cdot 1000\text{ l}=20.3575\cdot 1000\text{ l}=20358\text{ l} \end{gathered}$$

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