A circle is centered on point BBB. Points AAA, CCC and DDD lie on its circumference.
If \blue{\angle ABC}∠ABCstart color #6495ed, angle, A, B, C, end color #6495ed measures 122^\circ122

122, degrees, what does \orange{\angle ADC}∠ADCstart color #ffa500, angle, A, D, C, end color #ffa500 measure?