Learn all about triangles -- their classifications and properties, and how to solve problems with this knowledge.
Additional Resources:
Triangle Quiz
- A quiz for determining whether triangles are acute, obtuse, or right, and scalene, isosceles, or equilateral.
Questions answered by this video:
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?
Staff Review
Currently 3.0/5 Stars.
Different classifications of triangles are explained. Then, some problems involving the properties of different triangles are shown. This is a very understandable video.