What shape do red daymarks typically have?

Red daymarks are designed to be easily recognizable and convey specific information to mariners navigating waterways. The shape typically used for red daymarks is triangular with three sides. This distinctive shape helps distinguish them from other navigation aids, which may have different shapes and colors.

Daymarks are used to denote navigational points, such as buoys or other hazards, and the triangular shape of red daymarks serves a practical purpose in maritime navigation. It allows the daymark to stand out against various backgrounds and makes it easier for boaters to identify and interpret them quickly while on the water.

In terms of recognition, the triangle is often associated with buoyage systems and indicates a certain type of information relevant to navigation. Thus, the triangular shape of red daymarks is an important aspect of their functionality and purpose in aiding navigation.