ABCD is parallelogram, consider the adjoining figure, The measure of ∠CBD is
60°
70°
50°
None of these
∠ A = ∠ C = 60° (Opposite angle of parallelogram)
In triangle BCD
∠ BDC + ∠ C + ∠ DBC = 180°
70° + 60° + ∠ DBC = 180°
∠ DBC = 50°
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