It means congruent, which is to say they are approximately equal. Such as 3.9595 is approximately 4. Or, in geometry, two angles are basically the same size and shape but are positioned differently.
The symbol is called DELTA and looks like a triangle. -----> Δ <----
The colon is a punctuation used for many purposes. It itself is a symbol, properly called a punctuation. This is a colon: simply a period with a period on top. This looks similar to the semi-colon, which looks like this ; a comma with a period on top.
A colon consists of two dots, one directly over the other, and it looks exactly like this :
Semi colon looks like this ;
It looks like a plus sign (+)
If it's the ~ you're talking about then it's called a tilde.
It's called an "inverted mordent". If it has a little line through it, it's simply called a "mordent".
A tilde.
It means "defined as."
It looks like a big "C", with an underline. It can be compared to the "less-than-or-equal" symbol, but it is rounded instead of an angle symbol.
The symbol for an apostrophe looks like '.
Each half of the symbol 8 looks like a 0
The symbol that looks like a star is called an asterisk. It looks like this *.
itd the key with the squiggly line which looks like this ~
the symbol that looks like a wagon is the towing feature is turned on symbol
In physics, what is the symbol that looks like a horseshoe, and relation to voltage
It's called a tilde.