Give me the answer now

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

We just started the introduction into circles and i have no idea how to do this.