Answer :

Given: DAB = 60° and ABD = 50°


In ΔABD


By angle sum property


DAB + ABD + ADB = 180°


60° + 50° + ADB = 180°


110° + ADB = 180°


ADB = 180° – 110° = 70°


Here,


ADB = ACB = 70° (angles in same segment)


∴∠ACB = 70°

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