8.1 Ángulo entre dos rectas

Picked video by video from UPM (mixed channel): title plainly names a teaching subject. Channel transcript sample: All three sampled uploads are award ceremonies, community/promotional talks, or entrepreneurship networking events rather than structured educational teaching.

A 4-minute video from UPM: “8.1 Ángulo entre dos rectas”.

Video by UPM, played through YouTube's embedded player.