INC Angles and Transversals

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What are Same Side Interior Angles?

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Same Side Interior Angles are pairs of angles that lie on the same side of a transversal and between two parallel lines. They are supplementary, meaning they add up to 180°.

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What are Alternate Interior Angles?

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Alternate Interior Angles are pairs of angles that lie on opposite sides of a transversal and between two parallel lines. They are congruent, meaning they have equal measures.

Tags

CCSS.8.G.A.5

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What are Corresponding Angles?

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Corresponding Angles are pairs of angles that lie on the same side of the transversal and in corresponding positions relative to the two parallel lines. They are congruent.

Tags

CCSS.8.G.A.5

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What are Vertical Angles?

Back

Vertical Angles are pairs of angles that are opposite each other when two lines intersect. They are congruent.

Tags

CCSS.7.G.B.5

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What does it mean for angles to be Supplementary?

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Supplementary angles are two angles whose measures add up to 180°.

Tags

CCSS.7.G.B.5

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If two parallel lines are cut by a transversal, what can be said about the Alternate Exterior Angles?

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Alternate Exterior Angles are congruent when two parallel lines are cut by a transversal.

Tags

CCSS.8.G.A.5

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What is the relationship between Same Side Exterior Angles?

Back

Same Side Exterior Angles are supplementary when two parallel lines are cut by a transversal.

Tags

CCSS.8.G.A.5

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How do you find the measure of an angle when given its supplementary angle?

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To find the measure of an angle that is supplementary to a given angle, subtract the measure of the given angle from 180°.

Tags

CCSS.7.G.B.5

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Back

Tags

CCSS.7.G.B.5

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What is the sum of the measures of angles on a straight line?

Back

The sum of the measures of angles on a straight line is 180°.

Tags

CCSS.7.G.B.5