Question

please tell the answer with proper solution​

Answer 1

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Answer 2

(i)

Sum of interior angles = 360°.

=> 3x + 10 + 5x + 8 + 3x + 4 + x + 50 = 360

=> 12x + 72 = 360

=> 12x = 288

=> x = 24

(ii)

∠DAB = 3x + 4

          = 3(24) + 4

          = 76

(iii)

∠ADB + ∠DAB + ∠DBA = 180°

=> ∠ADB + 76 + 50 = 180

=> ∠ADB + 126 = 180

=> ∠ADB = 180 - 126

=> ∠ADB = 54

Hope it help!