Answer:
64°
Step-by-step explanation:
33k-9=90 (being a right angle)
33k=90+9=99
k=99/33=3
CD=20×3+4=64°
arc CD = 64 degrees
Find out k value: 33k-9+90=180
33k+81=180
33k=99
k=3
Substitute it in: 20(3)+4=60+4=64
SInce CPD is a central angle, arc CD = 64 degrees
I hope this helped and have a good rest of your day!
