Answer:
B
Step-by-step explanation:
Triangle B because 128°>90°
None of these!
x + y + z = x + y + z only over here
5 4/9 - 2 5/9= 26/9 or 2 8/9
5 + ( b + 2)
5 + b + 2
5 + 2 + b
7 + b