(congruent polygons)does anyone know how to do this? my math teacher gave out a huge packet but he didn't even teach any of this, and it's due : /

I'm so close to finishing all these.

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

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)?