## Types of Triangles

Types of Triangles
• Currently 4.0/5 Stars.
10425 views, 2 ratings - 00:06:51
Part of video series Triangles
Taught by MrRutter

### Meets NCTM Standards:

Learn all about triangles -- their classifications and properties, and how to solve problems with this knowledge.
• Triangle Quiz - A quiz for determining whether triangles are acute, obtuse, or right, and scalene, isosceles, or equilateral.
• What is the difference between a right, acute, and obtuse triangle?
• What is the difference between a scalene, isosceles, and equilateral triangle?
• What does x equal if three sides of an equilateral triangle are x + 9, 2x, and 3x - 9?
• If a triangle has vertices at (2, 2), (3, 9), and (-5, 3), is the triangle scalene, isosceles, or equilateral?
• How can you determine if a triangle is scalene, isosceles, or equilateral?
Different classifications of triangles are explained. Then, some problems involving the properties of different triangles are shown. This is a very understandable video.
• Currently 3.0/5 Stars.
Reviewed by MathVids Staff on April 18, 2009.
well demonstrated
• Currently 5.0/5 Stars.
Reviewed by williamschleser on February 04, 2010.  