what is all that apply?
it would rotate about 180 degrees.
mβ 5 + mβ 3 = mβ 1 is true.
mβ 5 + mβ 6 = 180 is true
mβ 2 +mβ 3 = mβ 6 is true
mβ 2 +mβ 3 +mβ 5 = 180 is true