Madison wants to make cookies for her little sisters birthday party. she is cutting a roll of cookie dough into pieces that are 1/2 inch thick. if the roll is 13 inche long, how many cookies can she make

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)?