Answer:
soln
x+91+49=180
or, x+140=180
or, x=180-140
or, x=40
[tex]\Huge \boxed{x=40}[/tex]
[tex]\rule[225]{225}{2}[/tex]
Step-by-step explanation:
Angles in triangle add up to 180 degrees.
[tex]49+91+x=180[/tex]
Solving for x:
[tex]140+x=180[/tex]
[tex]x=40[/tex]
