What is the measure of ZRST?
А. 188°
B. 47
C. 86
D. 94

Answer:
B
Step-by-step explanation:
The measure of the angle on the circle formed by the chords RS and TS is half the measure of the arc RT intersected by the 2 chords,
∠RST = 0.5 × 94° = 47° → B