Q. 175.0( 4 Votes )

In figure, if <sp A. 60°

B. 50°

C. 70°

D. 80°

Answer :

Given DAB = 60° and ABD = 50°


We know that angles in the same segment of a circle are equal.


ADB = ACB


In ΔABD,


By angle sum property,


⇒∠ABD + ADB + DAB = 180°


50° + ADB + 60° = 180°


110° + ADB = 180°


⇒∠ADB = 180° - 110°


ADB = 70° = ACB

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