## Instructional Videos

- Triangular Prism Surface Area

- Prism Surface Area- Breaking it into pieces

- Finding volume for Prisms in general- Notice that this method works for any kind of prism (triangular, rectangular, hexagonal, etc.) The method for finding the area of the base will depend on what kind of prism you're working with.

- Regular Polygon Area (First video is using special right triangles and the second is using sin/cos/tan)

- Using Sine Cosine and Tangent to solve for unknown sides

- Special Right Triangles: The first video shows how to solve 45-45-90 triangles and the second shows how to solve 30-60-90 triangles.

- Isosceles Triangles (Complex drawings) The first video is similar to problem 12 on your homework. The second video is similar to problem 15 on your homework.

- Parallel Lines: Identifying the angles

- Parallel Lines: Solving for angles

- Possible side lengths of a triangle- if I know 2 sides of a triangle, who big or small is the third side allowed to be?

- Videos on how to do bisected angle problems.

The first video is what to do when you have information about

**both small angles**.

- The second video is what to do when you have the

**total angle and one smaller angle**.

- The third video is on how to approach a problem where an angle is being

**bisected and then bisected again**.

- Points, Lines, and Planes video. I decided that this guy's video is much better than anything I could have done, so check it out.
**Especially check out the explanation of coplanar starting at 6:24!**

- Using the midpoint formula to find the
**other endpoint**of a segment given midpoint and endpoint

- Finding the
**Other Endpoint**given one endpoint and the midpoint of a segment. (3:18) http://www.showme.com/sh/?h=IpeyJvc

- Where does the distance formula come from? This video shows that the distance formula is just an application of the Pythagorean theorem.

- Finding
**distance**between two points using the Pythagorean theorem. Visual approach first, then what to do if you're working with ordered pairs. (5:16) Using two ordered pairs starting at 2:35. http://www.showme.com/sh/?h=nODoTOy

- Finding
**midpoint**(3:44) http://www.showme.com/sh/?h=hYRPVfk

- Finding
**slope**of a line given coordinates of two points on the line, a visual approach (2:43) http://www.showme.com/sh/?h=J3arYtk

- Finding
**slope**of a line given coordinates of two points on the line, understanding and using the formula (3:27) http://www.showme.com/sh/?h=36K9EFk