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Suppose two parallel lines are cut by a transversal. Which angles MUST be supplementary?

A) vertical angles
B) corresponding angles
C) alternate exterior angles
D) consecutive interior angles

User Cwang
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2 Answers

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Answer:

D) consecutive interior angles

Explanation:

sorry if Im a bit late but the answer is D - consecutive interior angles

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At each of the parallel lines adjacent angles are supplementary.
User Plinth
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