Real math help.
What is the Hinge Theorem?
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What's the Hinge Theorem all about? Watch this tutorial to find out!
Background Tutorials
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Congruent Figures
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What Does Congruent Mean?
If two figures have the same size and shape, then they are congruent. The term congruent is often used to describe figures like this. In this tutorial, take a look at the term congruent!
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Measuring Angles
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What is an Angle?
Angles are a fundamental building block for creating all sorts of shapes! In this tutorial, learn about how an angle is formed, how to name an angle, and how an angle is measured. Take a look!
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Triangle Congruence by SSS and SAS
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What is the Side-Angle-Side Postulate for Triangle Congruence?
The Side-Angle-Side postulate is just one of many postulates you can use to show two triangles are congruent. This tutorial introduces you to the SAS postulate and shows you how to use it!
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Further Exploration
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Inequalities in Two Triangles
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How Do You Use the Hinge Theorem to Compare Side Lengths in Two Triangles?
The Hinge Theorem helps you compare side measurements of two triangles when you have two sets of congruent sides. Follow along with this tutorial to see this theorem used to find the relationship between the sides of two triangles.
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