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Angles 1 and 2 are supplementary.
Which equation represents the relationship between their
measures?
m21+ m22 = 90°
m21 + m22 = 100°
mZ1 + m 22 = 180°
m21+ m 22 = 2009
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devishri1977

Answer:

Step-by-step explanation:

m∠1 + m∠2 = 180°

Supplementary means sum of two angles is 180°

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