Compare and contrast the major characteristics of Euclidean and non-Euclidean

Put simple, Euclidean geometry assumes a flat plane.

So triangles for example add up to 180 degrees.

Non-Euclidean geometry is on curved surfaces.

So triangles on a sphere do not add up to 180 degrees.

Euclidean geometry assumes a flat plane.

So triangles for example add up to 180 degrees.

Non-Euclidean geometry is on curved surfaces.

So triangles on a sphere do not add up to 180 degrees.