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# Isosceles Triangles

## Properties of triangles with two equal sides.

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.

## Isosceles Triangles

by CK-12 //basic
Apply the properties of isosceles triangles.
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## Equilateral and Isosceles Example Problems

by CK-12 //basic
A video showing how to solve for the remaining angle/bases of an isosceles triangle, as well as solving the same problem using an equilateral triangle.
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## Isosceles Triangles Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on Isosceles triangles.
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## Isosceles Triangles Examples - Basic

by CK-12 //basic
This video provides the student with a walkthrough of one or more examples from the concept "Isosceles Triangles".
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## How To Construct An Isosceles Triangle

by CK-12 //basic
Shows how to construct an isosceles triangle with a compass and straight edge.
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## Proof of the Isosceles Triangle Theorem

by CK-12 //basic
Provides a two column proof of the isosceles triangle theorem.
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## Using the Properties of Isosceles Triangles to Determine Values

by CK-12 //basic
Shows example problems of how to use the properties of isosceles triangles to solve for unknown values.
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