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# Vertical Angles

## Two congruent, non-adjacent angles formed by intersecting lines.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Vertical Angles

This concept introduces students to vertical angles.
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Explore the relationships among angles formed by intersecting lines.
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• PLIX

## Vertical Angles: Yo-Yo Eiffel Tower Trick

Vertical Angles Interactive
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• PLIX

## Vertical Angles

Vertical Angles Interactive
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• Video

## Vertical Angles Principles

This video gives more detail about the mathematical principles presented in Vertical Angles.
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• Video

## Vertical Angles Examples

This video shows how to work step-by-step through one or more of the examples in Vertical Angles.
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## Vertical Angles Quiz

Ten problem quiz, short answers. Students need to identify vertical angles and give justification proving that the angles are vertical. Students need to solve for missing vertical angles, both with simple arithmetic and algebraically.
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• Critical Thinking

## Vertical Angles Discussion Questions

A list of student-submitted discussion questions for Vertical Angles.
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• Real World Application

## Vertical Angles

What is the maximum vertical angle of a roller coaster?
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• Study Guide