Question 1:
The triangle on the left and the triangle on the right are congruent by ASA (or SAS).
Now, you just have to match them.
After matching the corresponding congruent parts, you get
VTU = ABC
Your answer is the second choice.
Question 2:
You have two right triangles.
You also have a pair of congruent hypotenuses.
And you have a shared side.
The two triangles are congruent by HL.
Your answer is the second choice.
Have an awesome day! :)