Answer:
D
Step-by-step explanation:
The tangent- tangent angle x is half the difference of the intercepted arcs.
The sum of the 2 arcs on the circle = 360°, thus
lower arc = 360° - 243° = 117°, then
x = [tex]\frac{1}{2}[/tex] (243 - 117)° = 0.5 × 126° = 63°
