GEOMETRY
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Quick Reference

Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
 

Chapter 6: Similar Triangles

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6.1  Ratio and Proportion

Ratios and proportions extra practice

This site has practice problems for students that involve ratio and proportion.

Ratios and Proportions

This site defines ratio, proportion, and rate, and has examples of each.

6.2  Similarity

Case of similarity

This site has an article called “Case of similarity” that proves the similarity of triangle theorems.

6.3  Proportions in Similar Triangles

Similar Figures

This site defines similar figures.

Similarity and Transformations

This site has examples and problems for the students to solve that involve similarity and transformations.

6.4  Indirect Measurement

Similarity and Transformations

This site has examples and problems for the students to solve that involve similarity and transformations.

6.5  Proportions in Right Triangles

Pythagorean Theorem and Right Triangle Facts

This site discusses the Pythagorean theorem.

Right Triangle Trigonometry

This site has examples and problems for the students to solve that involve right triangle trigonometry.

6.6  The Pythagorean Theorem

Pythagorean Theorem and Right Triangle Facts

This site discusses the Pythagorean theorem.

Right Triangle Trigonometry

This site has examples and problems for the students to solve that involve right triangle trigonometry.

Pythagorean Theorem

This site shows the Pythagorean theorem, shows how it works, and has practice problems for students.

Pythagorean Theorem

This site presents several geometric proofs of the Pythagorean theorem.

Pythagorean Triples

This site defines the Pythagorean triples and proves the formula for discovering these triples.

6.7  Special Right Triangles

Pythagorean Theorem and Right Triangle Facts

This site discusses the Pythagorean theorem.

Right Triangle Trigonometry

This site has examples and problems for the students to solve that involve right triangle trigonometry.

6.8  The Tangent Ratio

Right Triangle Trigonometry

This site has examples and problems for the students to solve that involve right triangle trigonometry.

Trigonometric Formulas

This site lists the trigonometric formulas.

6.9  Sine and Cosine Ratios

Right Triangle Trigonometry

This site has examples and problems for the students to solve that involve right triangle trigonometry.

Trigonometric Formulas

This site lists the trigonometric formulas.