A Line
Example sentence - I looked for the arrow for directions to the exit.
An arrow that shoots in one direction is a ray. An arrow that shoots in two directions is a line.
It is 80 cm2.
An arrow can be a polygon. A polygon is any two dimensional plane figure. An arrow can, obviously, be a three dimensional object.
It means that they are continuous in both directions
A directional arrow in geography is a symbol used on maps to indicate the cardinal directions - north, south, east, and west. It helps users orient themselves and understand the layout of the map in relation to these directions.
No, it has an endpoint, but the other end (with the arrow) continues infinitely.
it is a electronic thing that will move you to the direction it shows...
an inverted kiteIf it is a quadrilateral then an arrowhead. Otherwise simply call it arrow-shaped.
The symbol for imperative is usually a straight arrow going into two separate directions. The top portion of the arrow is pointing up and the bottom down.
Wind vane.
You may turn in the direction the arrow is indicating. No other maeuvers are allowed.