Curated Video
Congruent Angles formed by Parallel Lines & a Transversal | 8.G.A.5
In this math video we will learn about congruent angles formed by parallel lines & a transversal. We will review the definitions of vertical angles, alternate interior angles and alternate exterior angles. We will also apply these...
Curated Video
Exploring Similarity: Comparing Triangles with Congruent Angles
In this video, the teacher explains the concept of similarity in triangles by comparing congruent angles. They differentiate between congruent and similar figures, highlighting that similar figures have the same shape but not the same size.
Brian McLogan
Identifying congruent parts between two polygons
👉 Learn how to solve with similar polygons. Two polygons are said to be similar if the corresponding angles are congruent (equal). When two polygons are similar the corresponding sides are proportional. Knowledge of the length of the...
Brian McLogan
Geometry - How to Write a Proof of Congruent Triangles Using AAS
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
Brian McLogan
How to Write a Proof for Two Triangles Congruent Under ASA
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
Brian McLogan
How to Write a Proof Using SSS Congruence Theorem - Congruent Triangles
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
Rachel's English
English Vocabulary Challenge Day 7
You can improve your English vocabulary and English pronunciation by studying these vocab words, repeating them along with me to master each sound. We’ll study each word by focusing on how Americans actually pronounce it, and we’ll...
Math Fortress
Geometry: Measurement of Angles (Level 7 of 9)
In this video we will go over more challenging examples involving congruent angles and algebraic expressions.
Curated Video
Identifying Congruent Figures
In this video, students will learn how to identify congruent figures by comparing their segments and angles. They will understand that congruent means having the same length, measure, or size. The video explains the symbol used to...
Brainwaves Video Anthology
The Brainwaves - A Video Anthology (trailer)
The Brainwaves Video Anthology is collection of over 1,000 videos with 2 million views in 234 countries. Here you will meet the thinkers, dreamers and innovators; some of the brightest minds in education.
Curated Video
Understanding Rotations: Identifying and Rotating Figures in the Coordinate Plane
In this lesson on rotations, students will learn how to identify rotations and rotate figures in the coordinate plane. They will understand the vocabulary of transformations and how to tell when a transformation is a rotation. The lesson...
Brian McLogan
Determining multiple missing values using congruent polygons
👉 Learn how to solve with similar polygons. Two polygons are said to be similar if the corresponding angles are congruent (equal). When two polygons are similar the corresponding sides are proportional. Knowledge of the length of the...
Curated Video
Finding Angle Measurements Using Corresponding Angles
In this video, students will learn how to find the measurements of angles created when parallel lines are cut by a transversal by using corresponding angles. The video explains the concept of corresponding angles in similar figures and...
Curated Video
Vertical Angles & Intersecting Lines | 7.G.B.5
In this math video we will learn about vertical angles & intersecting lines. We will begin by understanding that vertical angles are formed by two intersecting lines. The angles that are opposite each other are vertical angles and...
Crash Course
Aromaticity, Hückel's Rule, and Chemical Equivalence in NMR: Crash Course Organic Chemistry
If you’ve been paying attention so far in this series, you’ve probably heard of benzene. This molecule is flat, cyclic, and belongs to a special class of compounds known as aromatics. In this episode of Crash Course Organic Chemistry,...
SciShow Kids
Why Are Foods Many Colors? | The Science of Colors! | SciShow Kids
Jessi helps Squeaks learn about why foods can be so many tasty-looking colors!
Weird History
When The Sleeping Sickness Hit NYC In the 20s
Medical science has come a long way in the last hundred years, but that doesn't mean every medical mystery has been solved. The cause of the mysterious sleeping sickness that struck New York in the 1920s, Encephalitis lethargica, remains...
Curated Video
Finding Missing Measures in Triangles
In this video, the teacher explains how to find missing measures in triangles using congruence and similarity criteria. They cover different congruence criteria, such as side-side-side and angle-side-angle, as well as similarity criteria...
US Department of Agriculture
A Flash of Food Safety Active Cooling with a Chill Stick
Cooling food properly is essential to keeping food safe. Active cooling methods cool food quickly to prevent the growth of harmful microbes that cause foodborne illness. A Flash of Food Safety is a video series designed for school...
Brian McLogan
What are the properties that make up a rhombus
👉 Learn how to solve problems with rhombuses. A rhombus is a parallelogram such that all the sides are equal. Some of the properties of rhombuses are: all the sides are equal, each pair of opposite sides are parallel, each pair of...
Curated Video
Congruent Triangles & Their Angle Measures | 8.G.A.5
In this math video we will learn about congruent triangles & their angle measures. We will review the definition of congruent figures which is that congruent figures have corresponding sides and corresponding angles that are congruent....
Brian McLogan
What are Congruent Shapes - Congruent Triangles
👉 Learn how to find the corresponding pairs of congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. To determine the corresponding congruent parts of a triangle, we use the congruent...