Instructional Video2:35
Brian McLogan

Using the Isosceles triangle theorem to find the measure of x

12th - Higher Ed
👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides...
Instructional Video2:01
KnowMo

Classifying and Identifying Triangles by Angles and Side Lengths

12th - Higher Ed
This video is an educational tutorial on triangles. The instructor begins by explaining how to classify triangles based on their angles, including acute, obtuse, and right angle triangles. Next, the video covers the three special types...
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 Video27:28
ProTeachersVideo

Jonny Heeley's Masterclass: Polygons

Higher Ed
Teaching Award winner Jonny Heeley inspires a group of gifted and talented KS2 pupils with an active lesson about polygons. With an emphasis on pupil participation, Jonny explores the definition of a polygon before helping them produce...
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 Video6:57
Brian McLogan

What is the Triangle Inequality Theorem - Congruent Triangles

12th - Higher Ed
👉 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)...
Instructional Video10:02
KnowMo

Identifying and Understanding Quadrilaterals: Properties and Names

12th - Higher Ed
This video is a lecture presentation on quadrilaterals. The speaker explains what a quadrilateral is and goes through several different types, including a square, rectangle, trapezium, isosceles trapezium, rhombus, parallelogram, and...
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 Video14:05
msvgo

Introduction to Lines and Angles

K - 12th
It explains linear pair axiom and theorem on intersecting lines. It also provides problems based on the axiom and theorem.
Instructional Video3:25
Curated Video

Drawing Triangles Using Given Angles

K - 5th
In this video, students learn how to draw triangles when given the angles. The teacher explains the concept of the sum of angles in a triangle always being 180 degrees and demonstrates how to use a protractor to draw the angles accurately.
Instructional Video1:14
Visual Learning Systems

Perimeter and Area: Quiz (Perimeter and Area)

9th - 12th
In this series of programs students are introduced to perimeter and area. Easy-to-understand examples enable students to understand the process by which perimeter is calculated. The area of rectangles, parallelograms, and triangles is...
Instructional Video10:03
Cerebellum

Geometry - Proofs continued

9th - 12th
Understand and making sense of geometry: Proofs continued. This is part 3 from the series 'Geometry Program'.
Instructional Video9:20
Cerebellum

Introducting Geometry

9th - 12th
This video covers exam strategy, Geometry. This is part 13 from the series 'Introduction to the Math Section of the SAT'.
Instructional Video1:28
Visual Learning Systems

Perimeter and Area: Area and Triangles

9th - 12th
In this series of programs students are introduced to perimeter and area. Easy-to-understand examples enable students to understand the process by which perimeter is calculated. The area of rectangles, parallelograms, and triangles is...
Instructional Video9:26
Tarver Academy

6-6 Properties of Kites and Trapezoids - GEOMETRY

12th - Higher Ed
In This Episode, Tyler Teaches Us About Properties of Kites and Trapezoids - Geometry
Instructional Video0:43
Visual Learning Systems

Perimeter and Area: Introduction (Perimeter and Area)

9th - 12th
In this series of programs students are introduced to perimeter and area. Easy-to-understand examples enable students to understand the process by which perimeter is calculated. The area of rectangles, parallelograms, and triangles is...
Instructional Video7:03
Curated Video

Find Measures of Inscribed Angles Using Central Angles

K - 5th
In this video, the teacher explains the relationship between the measure of an inscribed angle and its intercepted arc. They use the central angle theorem to prove and apply this relationship. By understanding this theorem, students can...
Instructional Video3:50
Curated Video

Comparing and Analyzing Triangles by their Sides

K - 5th
In this lesson, the teacher explains how to compare and analyze triangles by their sides. The lesson covers different types of triangles, including equilateral, isosceles, and scaling triangles, and how to identify them based on their...
Instructional Video9:25
Khan Academy

SAT Prep: Test 5 Section 9 Part 1

9th - 12th
Reasoning through the methodology of a new set of problems from page 679 of The Official SAT Study Guide, Sal shows students how to find the ins and outs of increasingly difficult math problems. He advises them to thoroughly think over...
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 Video3:40
Curated OER

How Do You Find Missing Angles in an Isosceles Triangle Using Right Triangles?

6th - 8th
Given an isosceles triangle, and the value of one angle, find the missing values. There are some special properties about isosceles triangles. Use the triangle sum theorem to solve this problem. Watch this video to see how the instructor...
Instructional Video4:28
Curated OER

How Do You Find Missing Angles in an Isosceles Triangle?

6th - 8th
Finding the missing values of two angles in an isosceles triangle is not as difficult as it sounds. But how can two out of three angle's measurements be found? Well, there are special properties about an isosceles triangle which make...
Instructional Video
Khan Academy

Khan Academy: Geometry: Problem Involving Angle Derived From Square and Circle

9th - 10th Standards
Demonstrates how to solve a challenging geometry problem about finding the measure of an angle that is formed by different segments in a square which intersect with part of a circle. Solution depends on creating triangles in the diagram...