and what is the correct answer?
Consider triangles (hallucinate the bases):
Side Area
1 /\ 1
/\
2 /\/\ 4
/\
3 /\/\ 9
/\/\/\https://books.google.com/books?id=03fSBwAAQBAJ&pg=PA20&dq=bu...
What did you do to find it? (Is Google "punishing" me? My Google-fu used to be strong but I could not find this.)