I mean... I don't see the problem?

https://lemmy.world/post/29703591

I mean... I don't see the problem? - Lemmy.World

[https://media.tenor.com/kkkBm71bkRcAAAAi/trollface-troll-face-terror-png.gif]

No one said right angles.

Equal sides in a triangle are only possible if the corners are equal. So, 60⁰ each.

But its height cannot be half of base because of the same Pythagorean theorem

(1,5)²+(1,5/2)²=2,8125

sqrt(2,8125) ≈ 1,677, which is half of diagonal

So, we get 4 sides that are 1,5 in a parallelogram, but diagonals are 1,5 and 3,354, as opposed to both being 1,5 as shown on the picture

Pyramid?
Wdym?
They could each be on the vertices of a tetrahedron for all we know…
I was thinking of plane surfaces, but if their altitudes are different, I guess it’d be possible.
We do know that, with those measurements, they aren’t confined to a single (Euclidean) plane.
Exactly! I regret that I have but one upvote to give.