## (+) Derive the formula A = (1/2)ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side.

11 Lesson(s)

### Unit Review Game: Categories

Troy, MI
Environment: Suburban

Big Idea:

Standards:

Favorites (7)

Resources (9)

Reflections (1)

### Formative Assessment: Formulas and Vectors

Troy, MI
Environment: Suburban

Big Idea:

Standards:

Favorites (1)

Resources (8)

### Trigonometry from a Geometric Perspective

Troy, MI
Environment: Suburban

Big Idea:

Standards:

Favorites (2)

Resources (7)

### Area of Triangles

12th Grade Math » Unit: Solving Problems Involving Triangles
12th Grade Math » Unit: Solving Problems Involving Triangles
Independence, MO
Environment: Suburban

Big Idea:

Standards:

Favorites (2)

Resources (19)

Reflections (2)

### The Law of Sines: More than Meets the Eye

Troy, MI
Environment: Suburban

Big Idea:

Standards:

Favorites (1)

Resources (10)

Reflections (1)

### Unit Review: Additional Trigonometry Topics

Troy, MI
Environment: Suburban

Big Idea:

Standards:

Favorites (1)

Resources (6)

### Solving Triangles Assessment

12th Grade Math » Unit: Solving Problems Involving Triangles
12th Grade Math » Unit: Solving Problems Involving Triangles
Independence, MO
Environment: Suburban

Big Idea:

Standards:

Favorites (1)

Resources (3)

### SAS Area Formula

Geometry » Unit: Right Triangles and Trigonometry
Geometry » Unit: Right Triangles and Trigonometry
Environment: Suburban

Big Idea:

Standards:

Favorites (2)

Resources (10)

Reflections (2)

### Review of Solving Triangles Day 2 of 2

12th Grade Math » Unit: Solving Problems Involving Triangles
12th Grade Math » Unit: Solving Problems Involving Triangles
Independence, MO
Environment: Suburban

Big Idea:

Standards:

Resources (15)

Reflections (2)

### Review of Solving Triangles Day 1 of 2

12th Grade Math » Unit: Solving Problems Involving Triangles
12th Grade Math » Unit: Solving Problems Involving Triangles
Independence, MO
Environment: Suburban

Big Idea:

Standards:

Resources (12)

Reflections (1)

### Review for Trigonometry Unit Assessment

Geometry » Unit: Triangle Similarity and Trigonometric Ratios
Geometry » Unit: Triangle Similarity and Trigonometric Ratios
Sunnyvale, CA
Environment: Suburban

Big Idea:

Standards:

Resources (10)
Common Core Math