Question

Find the value of x in the given figure​

Answer 1

Answer:

50

Step-by-step explanation:

x+x+80=180

2x=100

x=50

Answer 2

Answer:

x=50

Step-by-step explanation:

x+x+80=180 (by linear pair)

2x+80=180

2x=180-80

2x=100

x=100/2

x=50