非欧几何~
Drawing three 90 degree angles in a curved space. One of the reasons we know the Earth is round.
Find this interesting? Then check out this “visual demonstration of a² + b² = c².”
非欧几何~
Drawing three 90 degree angles in a curved space. One of the reasons we know the Earth is round.
Find this interesting? Then check out this “visual demonstration of a² + b² = c².”