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Which pair of angles adds up to 180 degrees?
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Nov 22, 2018
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Which pair of angles adds up to 180 degrees?
Mathematics
middle-school
InfiniteRefactor
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D. ∠1 and ∠4
∠1 and ∠3 are less than 90° and they both add up to 180°. ∠2 and ∠4 are too obtuse and would be around 360°. ∠2 is about 160° and ∠3 is around 45°. And ∠1 and ∠3 are the same degrees
Manuel Escrig
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Nov 27, 2018
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Manuel Escrig
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