**Law of Sines and Cosines**

## Law of Sines

56 min 4 Examples

- Introduction to Video: Law of Sines
- Overview of Oblique Triangles and Review of Geometry Concepts
- Law of Sines Formula and Steps for Solving
- Example #1: Solve the given triangle with AAS Congruency
- Example #2: Solve the given triangle with AAS Congruency
- Example #3: Solve the given triangle with ASA Congruency
- Example #4: Solve the given triangle with ASA Congruency and DMS Measure

## Law of Sines – Ambiguous Case

1 hr 7 min 7 Examples

- Introduction to Video: Law of Sines – Ambiguous Case
- Overview of the Ambiguous Case
- Steps for Solving Triangles involving the Ambiguous Case – FRUIT Method
- Examples #1-2: Determine the Congruency and How Many Triangles Exist
- Example #3-4: Determine the Congruency and How Many Triangles Exist
- Example #5: Solve for each Triangle that Exists
- Example #6: Solve for each Triangle that Exists
- Example #7: Solve for each Triangle that Exists

## Law of Cosines

41 min 3 Examples

- Introduction to Video: Law of Cosines
- Overview of Law of Cosines with Proof
- Example #1: Solve the triangle using Law of Cosines
- Example #2: Solve the triangle using Law of Cosines
- Example #3: Solve the triangle using Law of Cosines

## Heron’s Formula

26 min 5 Examples

- Introduction to Video: Area of a Triangle and Heron’s Formula
- Overview of Area of a Triangle Formula
- Examples #1-2: Find the Area of a Triangle
- Example #3: Find the Area of a Triangle by first using Law of Sines
- Overview of Heron’s Formula
- Examples #4: Find the Area of a Triangle using Heron’s Formula
- Example #5: Find the Area of a Triangle using Heron’s Formula