I think it would be easy to find it because its 30 feet away and even if he didn't know his feet he could always leave rocks/pebbles to the treasure so he won't lose it.
They are all larger than 90 degrees, and in a triangle they would all be obtuse angles.
H represents the number of hours:
10h + 40
(40 represents, well $40)
3(n+2) ← algebraic expression
