Activator central and inscribed angles , plz me

The central angles are always equal to the arc measure. And the inscribed angles is always one-half of the arc measure.

For the problems below, you would have the following answer.

Circle 1: Central 42 and inscribed of 21
Circle 2: Central 66 and inscribed of 33
Circle 3: Central 180 and inscribed of 90

Hi y’all i want you my mom i

A