The volume of a cube-shaped metal tank is 8m3. How long is the rib of this tank?
| July 26, 2021 | education
A cube is a polyhedron with all edges the same.
The volume of the cube is determined by the formula:
V = a ^ 3, where a is the length of the edge of the cube.
In our case, V = 8 m3.
So 8 = a ^ 3.
Solve the equation and find the length of the edge of the tank.
a = 3√8;
a = 2.
Answer: The length of the rib of the tank is 2 m.
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