Sum of all angles in a triangle must equal 180
so
180 - (30 + 50)
= 180 - 80
= 100
answer:
third angle = 100
I am not really sure but it might be A
Answer:
look on the graph i gave you
Step-by-step explanation:
Answer: 21
Step-by-step explanation:4/4=1 5x4=20 20+1 = 21