It means congruent. It is NOT 'approximately equal', which would be an equal sigh where BOTH lines are squiggly.
An arrow with a squiggly line typically indicates a change in direction or a non-linear path. In various contexts, such as diagrams or charts, it may symbolize a fluctuating trend or movement that is not straightforward. This representation can also denote complexity or variability in a process or relationship.
The bicycle sign with an arrow indicates the direction in which bicycles should travel.
a squiggly equal sign
It is a squiggly equals sign, like this ≈
low coolant
An equal sign with a squiggly line over the top of it.
A yellow arrow sign on the road typically indicates that drivers should proceed with caution and be prepared to yield to oncoming traffic or pedestrians.
Possible scorpio sign.
squiggly then t then t then number sign with a line under it
The right arrow sign indicates that vehicles should proceed in the direction pointed by the arrow.
The Sign of the Crooked Arrow has 192 pages.