Instructional Video2:20
Curated Video

Translations & Congruency | 8.G.A.1

9th - 12th
In this math video we will learn about the relationship between translations & congruency. We will review how to perform a translation by translating a line segment four units right and four units down in a coordinate plane. We will find...
Instructional Video6:30
Curated Video

Proofs Using CPCTC

K - 8th
Congruent triangles are two triangles that share the same shape and size, but their positioning may be different. If you know that two triangles are congruent, you can prove every corresponding angle and every corresponding side is...
Instructional Video8:06
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Parallel Lines - Explained

9th - 12th
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...
Instructional Video4:10
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Congruent - Explained

9th - 12th
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...
Instructional Video5:26
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Proof - Congruent Triangles - Explained

9th - 12th
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...
Instructional Video4:25
Brian McLogan

What are Congruent Shapes - Congruent Triangles

12th - Higher Ed
👉 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...
Instructional Video5:15
Curated Video

GCSE Secondary Maths Age 13-17 - Algebra: Cosine Rule - Explained

9th - 12th
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...
Instructional Video9:10
Let's Tute

Circle Theorems: 12 Theorems Based on Circles

9th - Higher Ed
Circle Theorems part 2/3: The teacher in the video explains and proves 9 out of 12 theorems related to circles, using basic concepts and properties of triangles. The theorems include equal chords of a circle, angles subtended by an arc...
Instructional Video5:21
Brian McLogan

Labeling corresponding parts and proportions of sides of similar figures

12th - Higher Ed
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 sides...
Instructional Video5:55
Brian McLogan

How to write a proportion of lengths and corresponding angles for two triangles

12th - Higher Ed
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Instructional Video3:52
Brian McLogan

What is the HL 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 Video4:24
Brian McLogan

Determine Corresponding Parts as Well as an Concurrency Statement - Congruent Triangles

12th - Higher Ed
👉 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...
Instructional Video5:53
Brian McLogan

Finding the missing value for two similar pentagons

12th - Higher Ed
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 sides...
Instructional Video7:54
Let's Tute

Quadrilateral Theorem - part 2

9th - Higher Ed
Here You'll learn theorems on Rectangle & Rhombus Diagonals of Rectangle are congruent and that of rhombus are perpendicular bisectors and theirs converse as well
Instructional Video7:35
Let's Tute

Using Geometry in Real Life: The Construction of a Bridge

9th - Higher Ed
This video discusses how equilateral and isosceles triangles are used in bridge construction to distribute weight and forces evenly. The engineer explains how to prove that the angles of an isosceles triangle are equal when the sides are...
Instructional Video3:27
Brian McLogan

How Does Congruency of ASA Look like - Congruent Triangles

12th - Higher Ed
👉 Learn about congruent triangles theorems. Two or more triangles (or polygons) 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...
Instructional Video10:24
Let's Tute

Criteria for Congruency of Triangles

9th - Higher Ed
In this video, the teacher explains the criteria for proving similarity and congruency between triangles, using different combinations of angles and sides. The video covers the AAA, AA, AAS, SAS, SSS, and RHS criteria, and provides...
Instructional Video7:44
Let's Tute

Proving Quadrilateral Theorems with Congruent Triangles

9th - Higher Ed
Properties of Quadrilaterals part 2/2: This is a video of a teacher explaining how to use congruency of triangles to prove theorems related to quadrilaterals. The teacher uses examples and diagrams to demonstrate how to prove statements...
Instructional Video4:54
Brian McLogan

Given similar figures determine your missing values

12th - Higher Ed
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 sides...
Instructional Video5:37
Let's Tute

Some Stupid Math Mistakes: Similarity and Congruency of Triangles

9th - Higher Ed
The video is a teacher-led lesson on similarity and congruency of triangles, with a focus on their criteria for being similar or congruent. The video includes questions for the viewer to attempt and emphasizes the importance of making...
Instructional Video4:09
Brian McLogan

How congruent triangles compare to similar triangles

12th - Higher Ed
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Instructional Video1:57
Brian McLogan

What is the similarity of triangles for SSS

12th - Higher Ed
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Instructional Video4:54
Brian McLogan

Congruency statements for Law of Sines and Cosines

12th - Higher Ed
👉 Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...
Instructional Video8:22
KnowMo

Congruence Criteria for Triangles

12th - Higher Ed
The video is a lecture presentation on the four different congruency criteria for triangles. The presenter explains that congruent shapes are exact replicas of the originals with the angles and side lengths preserved. However, in some...