Can you help ? Quadratic function

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

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 area of an equilateral triangle with a side of 6 inches