Reply by Doss

What shape are you trying to cut?

From how it appears mathematically (board stock completely across), you can use either 60° if your saw allow that or 30°. The saw itself will not allow 150° as a direct cutting option due to its design (would most likely interfere with the fence getting cut or the saw mount rotating into the saw base) and the impracticality of such a cut.

-- "Well, at least we can still use it as firewood... maybe." - Doss