Brian McLogan
CCSS What are equiangular, equilateral and regular polygons
CCSS What are equiangular, equilateral and regular polygons
FuseSchool
Triangles
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...
Cerebellum
Geometry - Definitions
Understand and making sense of geometry: Triangles, and their angles. This is part 1 from the series 'Geometry Program'.
Kenhub
Overview of the Scalene Muscles
Attachments, innervation and functions of the scalene muscles.
Brian McLogan
What is the Triangle Inequality Theorem - Congruent Triangles
👉 Learn about congruent triangles theorems. Two or more triangles are said to be congruent if they have the same shape and size. There are many methods to determine whether two triangles are congruent. Some of the methods include: (1)...
Brian McLogan
What is the perpendicular bisector theorem
👉 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...
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...
Scholastic
Study Jams! Classify Triangles
Jam on with this multi-faceted activity teaching triangle classification. Start with a learner-paced lesson describing the different qualities of triangles and follow with a fun karaoke session. Also provided are two types...
Math Antics
Triangles
What has three sides and is adorable? A-cute triangle. The resource introduces triangles and how to classify them by sides and angles or both. The video concludes with using the sum of the angles of a triangle to show how to solve for a...
Curated OER
What is a Triangle?
Triangles, triangles, triangles. What makes a polygon a triangle? How many types of triangles are there? How do you determine what kind of triangle it is? Watch this video as the teacher explains 'tri' meaning three, making a triangle -...
Curated OER
How Do You Classify 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: isosceles, equilateral, scalene, obtuse, and acute. Watch this video to learn about...
Sophia Learning
Sophia: Scalene Triangles: Lesson 4
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 4 of 6 in the series titled "Scalene Triangles."
Virtual Nerd
Virtual Nerd: What Is a Triangle?
This tutorial explains triangles and their different types. [5:58]
Virtual Nerd
Virtual Nerd: How Do You Classify Triangles?
If you know what kind of triangle you're looking at, it's much easier to figure out how to solve for various sides and angles. Use this tutorial to practice classifying triangles. [7:15]
Virtual Nerd
Virtual Nerd: How Do You Classify Triangles?
This tutorial provides practice in classifying triangles which is useful when figuring out how to solve for various sides and angles. [7:15]
Math Antics
Math Antics: Triangles
Gain a basic understanding of triangles by watching easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [7:39]
Sophia Learning
Sophia: Scalene Triangles: Lesson 2
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."