Marta is the subject of the sentence because she is performing the verb "Planned"
A triangles angle will always be the same so it's 180 degrees.
You had 9,000 taste buds just on the tongue alone, is what I would say. :)
8 - Subject: I | Verb: Learned
9 - Subject: I | Verb: Like | Adverb: Usually
10 - Subject: You | Verb: Pick (up)