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grade 10 · GEOM-005

Choose a valid proof reason

Select a precise justification for a step rather than relying on appearance.

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Show what I knowFresh problem · seed 433047441

Two parallel lines are cut by a transversal. Why are alternate interior angles congruent?

given→parallel lines→?

Choose an answerReflexive Property of Congruence.Triangle Sum Theorem.Alternate Interior Angles Theorem.Segment Addition Postulate.Definition of midpoint.

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Math Lab is a working name for Ready Rung's separate math-learning product. Guided success and independent evidence are reported separately.