Parallel Lines and Transversal

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What are corresponding angles?

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Corresponding angles are angles that are in the same position on two parallel lines in relation to a transversal. They are congruent.

Tags

CCSS.8.G.A.5

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What does the Corresponding Angles Theorem state?

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The Corresponding Angles Theorem states that if two parallel lines are cut by a transversal, then each pair of corresponding angles is congruent.

Tags

CCSS.8.G.A.5

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What is the relationship between alternate interior angles?

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Alternate interior angles are angles that lie between two parallel lines and on opposite sides of a transversal. They are congruent.

Tags

CCSS.8.G.A.5

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What is the relationship between alternate exterior angles?

Back

Alternate exterior angles are angles that lie outside two parallel lines and on opposite sides of a transversal. They are congruent.

Tags

CCSS.8.G.A.5

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What are same-side interior angles?

Back

Same-side interior angles are angles that lie between two parallel lines and on the same side of a transversal. They are supplementary.

Tags

CCSS.8.G.A.5

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What is the Linear Pair Postulate?

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The Linear Pair Postulate states that if two angles form a linear pair, then they are supplementary, meaning their measures add up to 180 degrees.

Tags

CCSS.7.G.B.5

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Back

Tags

CCSS.8.G.A.5

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Back

Tags

CCSS.8.G.A.5

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Are vertical angles congruent?

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Yes, vertical angles are always congruent.

Tags

CCSS.7.G.B.5

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