Answer:
It is 51
Step-by-step explanation:
because you have to add the 80 and 49 them you will get 129 and then subtract 180 by 129 then you will get your answer
51°
Sum of angles in a triangle is supplementary,
x + 49° + 80° = 180°
x + 129° = 180°
x = ( 180 - 129 )
x = 51°
