Mathematics 10

## CHAPTER 6: INVESTIGATING NON-RIGHT ANGLE TRIANGLES AS MODELS FOR PROBLEMS

### Challenge 1

Helicopter Flight — Information and Resources

### Challenge 2

Cartography and Understanding Maps — Information and Resources

### 6.1 Exploration: Fractals: Exploring Self-Similarity

Sierpinski's Triangle Online — Exploration
Fractals — Information
Fractal Links — Information and Resources

### 6.2 Similar-Triangle Models

Distances From Shuttle Photos — Investigations
Measuring The Solar System — Information
Distances From Shuttle Photos — Investigations
Measuring The Solar System — Information

### 6.3 Investigating the Sine Law

The Sine Law — Information

### 6.4 Proving and Using the Sine Law

Proving The Law of Sines — Exploration
Sine Law — Tutorial

### 6.5 Exploration: Using Compass Directions and Bearings to Navigate

How a Compass Works — Information

Location, Distance and Direction on Maps — Information

### 6.6 Adjusting the Pythagorean Theorem : The Cosine Law

Proving The Law of Cosines — Exploration

Cosine Law — Tutorial

### 6.7 Solving Measurement Problems Modelled by Triangles

Real World Measurement Problems — Projects