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A140°

B300°

C150°

D200°

Answer:

C. 150°

Read Explanation:

x+80=2x+10x+80=2x+10

x=70x=70
angle=2×70+10=140+10=150angle = 2\times 70+10=140+10=150

angle1=150angle 1= 150

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Sin0o×sin1o×sin2o×sin30...............Sin890isSin0^o\times{sin1^o}\times{sin2^o}\times{sin3^0}...............Sin89^0 is

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