Question

Please find the answer... Right answer will be marked brainlist and unnecessary answers will be reported and plz tell formula ​

Answer 1

Answer:

x=50

Explanation:

in ∆OBC

OB=OC(Radii)

so, angleOBC= AngleOCB = 50 (Equal sides has equal angles on its opposite)

angleOCB = AngleBDA = 50 (angle on same segment I.e.AB)

Answer 2

Answer:

X = 50°.................