abriana2
abriana2
25-08-2017
Mathematics
contestada
Ehhhhh please ! Help
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Аноним
Аноним
25-08-2017
∠1 = 40
∠1 and ∠2 are on the same line and hence, they are supplementary angles.
∠1 + ∠2 = 180
40 + ∠2 = 180
∠2 = 180 - 40 = 140
Hence, m∠2 = 140.
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