Exasperation. Thelengths of the bases aren't even given, neither is a proper median. Lmao.

10 cm? Oh, that's fantastic :D Thanks. I'll try working on it, see if I could get somewhere with it. ;)

What do the tiny numbers (or are they letters?) above the right triangle say?

I'm afraid I won't be much help... :(

Oh all right. I suppose I've figured it out. ;)

Dang, how come it's rotated sideways? Pray, how am I supposed to read this? :D