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# Tangent Lines

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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.

## Tangent Lines

This concept teaches students about tangent lines and how to apply theorems related to tangents of circles.

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• Video

## Tangent Lines Principles

This video gives more detail about the mathematical principles presented in Basic Geometric Definitions.

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## Tangent Lines Examples

This video gives more detail about the mathematical principles presented in Basic Geometric Definitions.

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Overview

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• Practice

## Tangent Lines Practice

Practice Tangent Lines questions

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• Critical Thinking

## Tangent Lines Discussion Questions

A list of student-submitted discussion questions for Tangent Lines.

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To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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To stress understanding of a concept by summarizing the main idea and applying that understanding to create visual aids and generate questions and comments using a Concept Matrix.

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## Tangent Lines KWL Chart

With this KWL Chart, reflect on your prior knowledge of a concept, come up with questions you’re curious about, and come up with answers from the reading.

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• Real World Application

## Swing Rides

Learn how NASA uses tangent lines when launching space probes.

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• Study Guide