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a cube has a volume of seven units. what is the edge length of a cube?

Sagot :

[tex]7=a^3[/tex]

Given:

The volume of the cube = seven units.

Let a be the edge length of the cube.

Consider the formula for the volume of the cube.

[tex]V=a^3[/tex]

Substitute V=7 in the formula, we get

[tex]7=a^3[/tex]

Taking cubic root on both sides, we get

[tex]\sqrt[3]{7}=a[/tex][tex]T\text{he edge length of the given cube is }\sqrt[3]{7}\text{ units.}[/tex]

or

[tex]T\text{he edge length of the given cube is }1.91\text{ units.}[/tex]