Answer:
A
Step-by-step explanation: I just guessed
D
Step-by-step explanation:
The chord- chord angle x is half the sum of the arcs intercepted by the angle and its vertical angle, that is
x = [tex]\frac{1}{2}[/tex] (AB + DC )° = 0.5(51 + 79)° = 0.5 × 130° = 65° → D
