Respuesta :
					                   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.
					                
					             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.
					                   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.
					                
					                
					             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.
 
			                  