Answer:
h=1 K =2 a =6 b=2
Step-by-step explanation:
look this solution :

Actually Welcome to the Concept of the Congruency,
Question 2.) => since all sides are equal, so SSS is the answer for Q-2
Question 3.) => Two angles and one side, so AAS is the answer for Q-3
2x-1=x^2
If you plug these two equations into a graphing calculator, like desmos.com, you can see that the two lines will intersect at (1, 1).