Answer:
40 degrees
Step-by-step explanation:
Because Angle RST is bisected by ray SU it is then split into two even angles and the resulting two angles will be 40 degrees apiece.
Yes D is the correct option !
if you want to know how , comment, or you are good to go !
1000000 + 300,000 + 40,000 + 5,000 + 800 + 20