Emilia's yummy food store sold 7 bagels. one of them was a rye bagel. what is the experimental probability that the next bagel sold will be a rye biscuit?

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)?