Instructional Video5:46
Curated Video

Let's Talk about Triangles

K - 8th
Mr. Addit describes the four main types of triangles and explains what makes each type unique. He models drawing the four different triangles.
Instructional Video7:29
Curated Video

Review for You: Classifying Lines, Angles, and Triangles

K - 8th
Mr. Addit reviews points, lines, angles, and triangles and how to classify them.
Instructional Video4:19
Curated Video

Classifying Triangles

3rd - Higher Ed
Classifying Triangles explores the six types of triangles by defining the triangle types and classifying triangles by side length and angle measurement.
Instructional Video0:51
Brian McLogan

What is a scalene triangle

12th - Higher Ed
👉 Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Instructional Video7:24
Let's Tute

Coordinate Geometry: Solving Questions Using the Distance Formula

9th - Higher Ed
In this video, a teacher discusses how to use the distance formula to determine if points are collinear, recognize different types of triangles, including right-angled triangles, and determine if given coordinates form a square. The...
Instructional Video4:09
Curated Video

Classifying Triangles Based on Sides' Length

3rd - 5th
Classifying triangles based on the sides’ length.
Instructional Video3:31
FuseSchool

Triangles

6th - Higher Ed
In this video we are going to look at exterior angles of polygons. Exterior angles are a little strange. They make a straight line with the interior angle, rather than being the whole outside angle. There are a few different ways to...
Instructional Video8:33
Let's Tute

Understanding Triangles: Types and Properties

9th - Higher Ed
This video explains the basic concepts of triangles, including the relationship between angles and sides, the properties of equilateral, isosceles, and scalene triangles, and the special case of right-angled triangles.
Instructional Video8:55
Brian McLogan

How Classifying Triangles Helps Solve Problems | Part 1

12th - Higher Ed
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?
Instructional Video6:38
Let's Tute

Inequalities of a Triangle

9th - Higher Ed
In this video we will learn about Inequalities of a Triangle. We will cover Introduction, 3 theorems and solve some questions.
Instructional Video1:55
NUMBEROCK

Triangles

K - 5th
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...
Instructional Video8:36
Let's Tute

Types of Triangles Based on angles and sides - Geometry

9th - Higher Ed
In this online video we will learn Types of Triangles based on angles and sides.
Instructional Video5:33
Curated OER

What are Equilateral, Isosceles, and Scalene Triangles?

5th - 8th
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...
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Special Triangles

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find missing angles in triangles.
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Triangle Classifications

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to classify triangles.
Instructional Video
Sophia Learning

Sophia: Categorizing Triangles With Congruency

9th - 10th
In this video tutorial, triangles are classified as isosceles, equilateral, and scalene by the congruency of their sides. Assess learning with a quiz. [1:52]
Instructional Video
Sophia Learning

Sophia: Scalene, Isosceles, and Equilateral Triangle

6th - 8th
Explore types of triangles including scalene, isosceles, and equilateral in this video tutorial. [3:47] Quiz to follow to check understanding.
Instructional Video
Sophia Learning

Sophia: Scalene Triangles: Lesson 2

9th - 10th
After this lesson, you'll be able to pinpoint a scalene triangle based on the fact that no sides or angles in a scalene triangle are congruent. It is 2 of 6 in the series titled "Scalene Triangles."