6:40

### 30-60-90 Triangle Example Problem

10/05/11

Using what we know about 30-60-0 triangles to solve what at first seems to be a challenging problem

14:42

5:42

### 45-45-90 Triangle Side Ratios

10/04/11

Showing the ratios of the sides of a 45-45-90 triangle are 11sqrt2

6:59

### 30-60-90 Triangle Side Ratios Proof

10/04/11

Proving the ratios between the sides of a 30-60-90 triangle

4:53

9:52

10:07

### Finding Area Using Similarity and Congruence

10/04/11

Example of using similarity and congruence to find the area of a triangle

9:23

14:34

13:33

### Conversation About Drug Pricing

10/03/11

Dr. Lauwrence Baker talks to Sal about how drug prices are set

10:05

9:09

### Inflammation

10/03/11

Dr. David Agus talks about inflammation while Sal repeatedly misspells it with one 'm'