What is the difference between the 208.472 and 149.361

Find the area of a parallelogram with base 15 yards and height 21 2/3

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)?

10 points? me . its important ‼️‼️