Don't even know where to start.

[Genesis_Osiris]

Use the diagram to find measure of Arc HJ. Show your work. Don’t forget to label your answer.

 

[Deleted member 4993]

Use the diagram to find measure of Arc HJ. Show your work. Don’t forget to label your answer.

What are the theorems that you have learned about circles/chord/(subtended angles)? Please list those.

 

[Nunu]

Use the diagram to find measure of Arc HJ. Show your work. Don’t forget to label your answer.

Check out the "Two Secant Angle Theorem", see where that gets you!
Show us your work and let us know where you get.

Good luck!
-Nunu