Gas sphere

The gas tank has the shape of a sphere with a diameter of 14 m. How many m³ of gas will fit in it?

Correct answer:

V =  1436.8 m³

Step-by-step explanation:

$$\begin{gathered} D=14\text{ m } \\ D=14\text{ m } \\ r=D\mathrm{/}2=14\mathrm{/}2=7\text{ m } \\ V={\displaystyle \frac{4}{3}}\cdot \pi \cdot r^3={\displaystyle \frac{4}{3}}\cdot 3.1416\cdot 7^3=1436.8{\text{m}}^3 \end{gathered}$$

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