> why is the letter m used when talked about an angle? This isn’t the best example, because a simple Google search gives you immediate results for that as well

> why is the letter m used when talked about an angle? This isn’t the best example, because a simple Google search gives you immediate results for that as well, and arguably more nuanced ones. You’ll learn, for example, that m is also the standard letter for slope, which may or may not be related. Also, if a teacher finds that question “obscure nonsense”, I’d argue that they are a bad teacher.