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Similarity, Right Triangles, & Trigonometry
More Specific Topics in Similarity, Right Triangles, & Trigonometry
Popular Tutorials in Similarity, Right Triangles, & Trigonometry
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What are Similar Figures?
Looking at two figures that are the same shape and have the same angle measurements? You have similar figures! Learn all about it in this tutorial!
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What are Corresponding Parts in Similar Figures?
Identifying corresponding parts in similar figures isn't so bad, but you have to know what you're looking for. This tutorial does a great job of explaining the corresponding parts of similar figures! Take a look!
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What is the Pythagorean Theorem?
The Pythagorean theorem is a very popular theorem that shows a special relationship between the sides of a right triangle. In this tutorial, you'll get introduced to the Pythagorean theorem and see how it's used to solve for a missing length on a right triangle!
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What is the Sine Ratio?
The sine ratio is a handy ratio when you're dealing with right triangles! In this tutorial, you'll learn what the sine ratio is and how to use it to find angle measurements in a right triangle.
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What is the Tangent Ratio?
There are several different ratios you can make from the sides of a right triangle. One of them is the tangent ratio. Watch this tutorial to add the tangent ratio to your right triangle tool box!
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What is the Law of Sines?
Want to find a missing side or angle measurement of a triangle? The Law of Sines can help! Follow along to learn about this handy proportion.
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What is the Formula for the Area of a Triangle Using Sines?
You can use sine to help you find the area of a triangle! All you need is two sides and an angle measurement! This tutorial helps you find this formula.
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How Do You Determine if Triangles on the Coordinate Plane are Congruent?
There are many ways to show that two triangles are congruent. This tutorial shows you how to use a triangle congruence postulate to show that two triangles on the coordinate plane are congruent to each other!
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How Do You Use a Congruence Postulate to Prove Triangles are Congruent?
When proving two triangles are congruent, you use information and postulates you already know to create a logical trail from what you know to what you want to show. This tutorial shows an example of using a congruence postulate to show two triangles are congruent!
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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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What is the Angle-Side-Angle Postulate for Triangle Congruence?
What is the Angle-Side-Angle postulate? This postulate is just one of many postulates you can use to prove two triangles are congruent! This tutorial explains the ASA postulate.
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How Do You Use the Triangle Proportionality Theorem to Find Missing Lengths in a Diagram?
This tutorial shows you how the Triangle Proportionality Theorem can be used to find a missing length in a diagram. Take a look!
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How Do You Identify a Similarity Transformation?
How do you know if one figure is similar to another? If you can find a similarity transformation that maps one figure to the other, then the figures are similar! Learn more about spotting similarity transformations with this tutorial.
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How Do You Use Similar Figures to Find the Area of a Polygon?
When you're working with similar figures, knowing the scale factor can help you find all sorts of pieces including side measurements and area. This tutorial shows you how to use the scale factor to help find the area of one of the figures.
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How do you Figure Out if Two Figures are Similar?
Follow along with this tutorial to see an example of determining if two given figures are similar.
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How Do You Find the Sine of an Angle in a Right Triangle?
A trigonometric ratio is a ratio between two sides of a right triangle. The sine ratio is just one of these ratios. In this tutorial, you'll see how to find the sine of a particular angle in a right triangle. Take a look!
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How Do You Find the Cosine of an Angle in a Right Triangle?
A trigonometric ratio is a ratio between two sides of a right triangle. The cosine ratio is just one of these ratios. In this tutorial, you'll see how to find the cosine of a particular angle in a right triangle. Take a look!
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How Do You Find the Tangent of an Angle in a Right Triangle?
A trigonometric ratio is a ratio between two sides of a right triangle. The tangent ratio is just one of these ratios. In this tutorial, you'll see how to find the tangent of a particular angle in a right triangle. Take a look!
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How Do You Find a Missing Side of a Right Triangle Using Sine?
The sine ratio is not only used to identify a ratio between two sides of a right triangle, but it can also be used to find a missing side length. This tutorial shows you how to use the sine ratio to find that missing measurement!
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How Do You Find a Missing Side of a Right Triangle Using Cosine?
The cosine ratio is not only used to identify a ratio between two sides of a right triangle, but it can also be used to find a missing side length. This tutorial shows you how to use the cosine ratio to find that missing measurement!
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How Do You Find a Missing Side of a Right Triangle Using Tangent?
The tangent ratio is not only used to identify a ratio between two sides of a right triangle, but it can also be used to find a missing side length. This tutorial shows you how to use the tangent ratio to find that missing measurement!
