Ray bisects aoc and aox = 31°. aoc =

How do i do this? i don’t understand

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Through non-collinear points there is exactly one plane.