How do i solve this to find out the point of intersection

What is the solution to the equation in the & show work i’m very

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)?

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second