概要
Similarity & Right Triangle Trigonometry
目次
Exploring Dilations
Proving Figures Similar
AA~ Theorem
Prove Similarity Theorems
- Side-Angle-Side: Quick Investigation
- SAS ~ Theorem
- Side-Side-Side: Quick Investigation
- SSS ~ Theorem (V1)
- Animation 63
- SSS ~ Theorem (V2)
- SSSS: Similar Quads?
- Similar Right Triangles (V1)
- Similar Right Triangles (V2)
- Animation 13
- Pythagorean and similar triangles.
- Effortless Trisections
- Animation 134
- Parallel Lines Congruent Segments Theorem
- Parallel Lines Proportionality Theorem
- Triangle-Angle Bisector Theorem
- Animation 81
- Scaling Figures: Effects on Areas
- Proof Without Words
- Wordless Pythagorean Theorem based on Translations
- Proof Without Words
- Proof Without Words
- Proof Without Words
- Proof Without Words
- Proof Without Words
- Proof Without Words
- Proof Without Words
- Proof Without Words
- Proof Without Words
Pythagorean Theorem
Right Triangle Trig
- Right Triangle Generator for Right Triangle Trigonometry
- Right Triangle Trigonometry: Intro
- Right Triangles: Identifying Sides WRT Acute Angles
- Identifying Trig Ratios: Quick Formative Assessment
- Finding Exact Trig Ratios: Quiz Question Generator
- True Meaning of Sine, Cosine, Tangent Ratios within Right Triangles
- Trig Ratio Estimations (Right Triangle Context)
- Trig Ratio Estimations (Quiz: V1)
- Trig Ratio Estimations (Quiz: V2)
- Trigonometric Ratios (Right Triangle Context)
- Right Triangle Solver: Formative Assessment
- Right Triangle Trig: Solving for Sides
- Right Triangle Trig: Solving for Sides (2)
- Using Inverse Trig Functions to Find Acute Angles of Right Triangles
- Special Right Triangles: Basic Questions
- Quiz: Expressing Angles Using Inverse Trigonometric Function
- What "CO" in COsine Means
- Special Trigonometric Identities: Quick Exploration
- Quiz: Special Right Triangles
- YOUR Linear Speed?
- Angles in Standard Position
- Animation 176
- Does R Matter?
- Quiz: Evaluating Trigonometric Functions of Angles Given a Point on its Terminal Ray
- Evaluating Trig Functions Given a Point on the Terminal Ray
- Trig Ratio Possibilities (Hints)
- Special Angles in Standard Position: Intro (V2)
- Special Angles in Standard Position: Intro (V3)
- Special Angles in Standard Position: Intro (V1)
Trig Extensions
- Triangle Investigation
- Law of Sines (& Area)
- Law of Sines (Illustrated)
- Law of Cosines: Discovery
- Bearing Illustrator (1)
- Direction Angle Illustrator
- Bearing Illustrator (2)
- Bearings Summary
- Bearing: Dynamic Illustration
- Bearings: Dynamic Illustrator
- Law of Cosines: Open Middle Problem (V1)
- Open Middle Problem: Law of Cosines (V2)
Other Geometry Resources