Why are the shortest distances in Euclidean geometry not taxicab?
2786
The staircase paradox, or why $\pi\ne4$
93635
Euclidean geometry in non-inertial frame
20310
Geometric motivation for negative self-intersection
24888
What is the smallest convex set includes all smooth unit curves?
115109
Euclidean distance is usually not good for sparse data (and more general case)?
35298
A question about the higher-order Weyl variation for the geodesic distance
664
Minkowski's complex Euclidean space vs. the real pseudo-Euclidean version
17161
Can anyone make me understand in simple language why the second condition for being an Euclidean domain is superfluous?
69120
geodesic computation: "energy" minimization versus arc length minimization
20040
shorter proof of generalized mediant inequality?
111044
Vector path length of a hypotenuse
132911
Determining if there can be smooth closed geodesic given its curvature
50605
Extended Euclidean algorithm
236
Proof of general Euclid's Lemma in a UFD (by Euclidean algorithm?)
124688
Question about a metric on $\mathbb{R}^2$
17858
What is the physical meaning of the affine parameter for null geodesic?
3751
Proving a distance between molecules defines a metric space.