April Fools pranks

Okay, welcome to class, I hope you guys had a good weekend
Oh dear. Sorry about this. Ah! Okay. Okay, I have a couple of announcements. So, first of all. Oh, dear! This is not good.

Is this connected I don't even know if this is connected to the internet
You know what Sorry, I'm gonna have to try this again. Here's how you use geometry to measure the size (crosstalk) Oops Hey!