Brian McLogan
How Classifying Triangles Helps Solve Problems | Part 1
I think we all learn how to classify triangles, but why do we learn it and how is it helpful for us to solve math problems?
Curated Video
Angle Properties in Triangles
Identifying special types of triangles based on the angle properties such as right triangles, obtuse triangles, and acute triangles.
Curated Video
Classifying Triangles using the Pythagorean Theorem
Learn about the characteristics of right, acute, and obtuse triangles. This video demonstrates how to determine if a triangle is right using the theorem and highlights common mistakes students make.
Curated Video
Converse of the Pythagorean Theorem and Triangle Inequality Theorem
In this video, the teacher explains how to use the triangle inequality theorem to determine if three side measurements can form a triangle. They also teach how to use the converse of the Pythagorean theorem to determine if a triangle is...
NUMBEROCK
Triangles
Skateboards, mountain climbing, billiards' Don't you just love this stuff? That's why NUMBEROCK put it all into this song about triangles that is filled with real-world connections. Triangles are all around us, so it is easy to make this...
Curated Video
Classifying Triangles Based On Angle Properties
Classifying triangles based on angle properties.
Curated OER
What are Acute, Obtuse, and Right Triangles?
Triangles are classified by their angle measurement as well as by the length of their sides. Here are some names that identify the types of triangles: right, isosceles, equilateral, scalene, obtuse, and acute. Watch this video to learn...
Sophia Learning
Sophia: Classifying Triangles
In this video tutorial, students learn how to classify triangles based on the angles. Topics include right, obtuse, and acute triangles. A short assessment is included to follow the lesson. [4:40]
Art of Problem Solving
Art of Problem Solving: Area of an Obtuse Triangle
Video tutorial uses examples to reinforce understanding of how to find the area of an obtuse triangle. [6:44]
Sophia Learning
Sophia: Triangle Height: Lesson 3
This lesson will demonstrate how to locate the height in an obtuse, right, and acute triangle. It is 3 of 5 in the series titled "Triangle Height."