Question

In the given figure , what value of x will make AOB a straight line?​

Answer 1

80 is the value of x.
Hope that answers your question!

Answer 2

Answer:

x= 80

Step-by-step explanation:

55+ x +45= 180 (angle sum property)

100 + x= 180

x= 180- 100

x= 80

hope it helps you!