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Now, according to the opposite angle theorem,
Angle ABC is 31°.
And Angle ACB = 180° - 43° - 31° = 106°
Thus, Angle ACD = 180° - 106° = 74°.
Angle ADC= 180° - 107° =73°
Angle CAD(x) = 180° - 73°-74°
= 33°
