namjooncore
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Line is intersected by line , as shown in the diagram below. Based on the diagram, which of the following equations must be true? *

∠1 + ∠2 = 180°
∠1 + ∠3 = 180°
∠2 + ∠3 = 90°
∠2 + ∠4 = 90°

Line is intersected by line , as shown in the diagram below. Based on the diagram, which of the following equations must be true? * ∠1 + ∠2 = 180° ∠1 + ∠3 = 180 class=

Answer :

JSamurai

Answer:

From what I have seen, it's: ∠1 + ∠2 = 180°
i think it is the first one

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