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# How to measure this?

Assume we have a cube of PQRS.TUVW which sides are 12cm each. Count the length from R to PUW!

• A lot of people say $$8\sqrt{3}$$, but I calculate it with my 3d software and it says 12. So which is right? Please provide the technique to find the answer.

Note by Eka Kurniawan
2 years, 8 months ago