Answer:
t = 8
u = 14
Explanation:
For the triangles to be congruent, the sides must be equal. Set each side on the first triangle equal to the corresponding side on the second triangle.
Solve.
u + 28 = 3u
28 = 2u
14 = u
12t = 16t -32
-4t = -32
t = 8
The two values for t and u are 8 and 14, respectively.