Kite FGHK is shown. Kite F G H K is shown. Sides G F and F K are congruent. The length of G H is 5 m + 1 and the length of H K is 3 m + 7. What is the value of m? m=2 m=3 m=15 m=16

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)?