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A regular tetrahedron is a pyramid with four faces, each of which is an equilateral triangle.

 

 

Let $V$ be the volume of a regular tetrahedron whose sides each have length $1$. What is the exact value of $V^2$ ?

Guest Jun 30, 2018
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The  volume of a regualr tetrahedron with edge length " a "   is given  by

 

a^3 /  √72

 

So...the volume of  the tetrahedron  is

 

1^3  /√72   = 

 

1  / √72   [units^3]

 

So

 

V^2  =    1 /72   

 

 

 

cool cool cool

CPhill  Jun 30, 2018

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