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in Lines and Angles by (38.0k points)
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Two straight lines AB and CD intersect one another at the point O. If ∠AOC+∠COB+∠BOD = 274°, then ∠AOD =

A. 86°

B. 90°

C. 94°

D. 137°

1 Answer

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by (36.4k points)
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Best answer

Given,

∠AOC + ∠COB + ∠BOD = 274°(i)

∠AOD + ∠AOC + ∠COB + ∠BOD = 360°(Angles at a point)

∠AOD + 274° = 360°

∠AOD = 86°

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