In following figure, if ∠DAB = 60º, ∠ABD = 50º, then ∠ACB is equal to:... | Circles Q&A

In following figure, if ∠DAB = 60º, ∠ABD = 50º, then ∠ACB is equal to:

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Source: Exemplar

60°

50°

70°

80°

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