When you forget your protractor home

I can explain it for you. Taking a cue from example “a” I realized that the whole meme was using the metric system and therefore example “b” makes perfect sense after the conversion. Youre welcome.

Ah, yes, the conversion from Fahrenheit to Celsius, for geometric degrees.

Exactly. It’s a difficult formula to remember. I have to google it every time. The cake to pi conversion is also difficult.