Question

Anyone can help with the top question

Answer 1

• D) 129°

-------------------

Two chords form vertical angles.

Each of them is half of the sum of measures of both opposite arcs:

• m∠YZV = (1/2)(144 + 114)
• m∠YZV = (1/2)(258)
• m∠YZV = 129

The matching choice is D.