A ray = A half-line
Chat with our AI personalities
It has two endpoints. A ray has one endpoint.
A line segment is a portion of a line. It has length. It has two endpoints. A ray has only one endpoint. It has infinite length in one direction.
diameter
a ray
Not necessarily - it depends on the geometry. The equator, on a sphere like the earth, is a straight line on a spherical surface. It has no endpoint.