Solving for the volume of a tetrahedron

141 Views Asked by Bumbble Comm At 07 Apr 2026 - 3:20

Can anyone explain why I was incorrect in this problem: enter image description here

I used a tetrahedron solver online, http://rechneronline.de/pi/tetrahedron.php, and it says I have the right answer.

There are 2 best solutions below

Bumbble Comm On 30 May 2013 - 4:53 BEST ANSWER

Assuming that $S$ denotes the length of a side, your answer is correct. See here.

Bumbble Comm On 30 May 2013 - 4:53

Assuming that $S$ (or is it $S'$?) indicates side length and not surface area, you're correct.