HELP PLEASE!!!

[SadHuman]

any help is apperciated

 

[Dr.Peterson]

any help is apperciated

These are direct applications of the theorems discussed here:

Formulas for Angles in Circles - MathBitsNotebook(Geo)

Please show us where you are having trouble with them, so we can see how to help.

 

[HallsofIvy]

There is a fundamental theorem that says that an angle that has vertex on a given circle has angle measure half the measure of the arc it subtends. For example, the last problem has an angle that subtends an arc of 96 degrees so the angle itself is 96/2= 48 degrees. So 2x+ 1= 48.