Question

Find the value of X ?

Answer 1

Answer:

Let the mid point is o

In triangle AOB

angle OAB +angle AOB +angle OBA =180(by A.S.P)

20°+angle AOB +10° = 180

angleAOB+ 30° = 180

angleAOB= 180-30

angleAOB = 150

so, angle x = 150

Answer 2

Answer: 100

Step-by-step explanation: