Tis the Reason for the Season

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What is the Triangle Sum Theorem?

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The Triangle Sum Theorem states that the sum of the interior angles of a triangle is always 180 degrees.

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What are Vertical Angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always equal.

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What is a Linear Pair?

Back

A linear pair consists of two adjacent angles that form a straight line. The sum of the angles in a linear pair is 180 degrees.

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What are Same Side Interior Angles?

Back

Same side interior angles are pairs of angles on the same side of a transversal that intersect two parallel lines. They are supplementary.

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What are Same Side Exterior Angles?

Back

Same side exterior angles are pairs of angles on the same side of a transversal that intersect two parallel lines, located outside the parallel lines. They are supplementary.

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What is the relationship between Same Side Exterior Angles?

Back

Same Side Exterior Angles are supplementary, meaning their measures add up to 180 degrees.

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How do you identify Vertical Angles in an intersection?

Back

Vertical angles are formed by two intersecting lines and are located opposite each other.

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What is the significance of the Triangle Sum Theorem in solving for unknown angles?

Back

It allows you to find an unknown angle in a triangle when the other two angles are known.