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The volume of regular octahedron PABCDQ is 243.  What is the side length of the octahedron?

 

 Nov 15, 2020
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V = √2 * (side)^3  / 3

 

243  = √2  (side)^3 / 3     multiply both sides by 3 / √2

 

243 * 3 / √2  =  side^3     take the cube root of both sides

 

side ≈  8.018

 

 

cool cool cool

 Nov 15, 2020

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