Instructional Video6:50
TMW Media

Geometric Proofs: The properties of proofs

K - 5th
What are the 9 properties you can apply to proofs? What else can you apply to proofs?<br/>
Geometric Proofs, Part 3
Instructional Video6:23
Brian McLogan

Geometry - How to Write a Proof of Congruent Triangles Using AAS

12th - Higher Ed
👉 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...
Instructional Video9:06
Curated Video

Proving Angle and Side Length Properties of Parallelograms

K - 5th
In this video, we learn how to find the measures of angles in a parallelogram using parallel lines and triangle congruence theorems. We discover that consecutive interior angles are supplementary, and opposite angles are congruent.
Instructional Video7:25
Curated Video

Proving Angle Relationships in Triangles

K - 5th
Learn how to find the measure of angle A in a triangle when angle B is given as 40 degrees. This lesson covers the concepts of congruent angles, parallel lines, and side-angle-side congruence. Watch a demonstration of how to prove the...
Instructional Video8:48
Curated Video

Proving the Triangle Midsegment Theorem using Triangle Similarity

K - 5th
In this video, we learn how to find the length of the midsegment of a triangle by using properties of triangle similarity. The video provides a step-by-step explanation and proof of the triangle midsegment theorem.
Instructional Video5:30
Brian McLogan

Learn How to Prove Two Triangles are Congruent by SSS - Congruent Triangles

12th - Higher Ed
👉 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...
Instructional Video5:14
Brian McLogan

Writing a Two Column Proof to Prove Two Triangles are Congruent - Congruent Triangles

12th - Higher Ed
👉 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...
Instructional Video3:33
Brian McLogan

Use a Two Column Proof to Prove Two Triangles are Congruent - Congruent Triangles

12th - Higher Ed
👉 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...
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 Video5:55
Tarver Academy

7-3 Triangle Similarity AA, SSS, and SAS - GEOMETRY

12th - Higher Ed
In This Episode, Tyler Teaches Us About Triangle Similarity AA, SSS, and SAS - Geometry
Instructional Video7:09
Curated Video

Proving Diagonal Properties in Parallelograms

K - 5th
In this video, the teacher explains how to prove the properties of diagonals within parallelograms using parallel lines and triangle congruence theorems. They demonstrate the process through two examples: proving that the diagonals of a...
Instructional Video22:15
2
2
Flipped Math

Intro to Proofs

9th - 12th Standards
Prove the best way to keep up in Geometry. Scholars first review algebraic properties from Algebra. Learners then use the properties to create two-column proofs to solve linear equations before completing algebraic proofs by providing...
Instructional Video5:54
CK-12 Foundation

Properties of Equality and Congruence: Lesson

6th - 11th
What properties of equality also work for congruence? Part of basic geometry playlist, the video relates algebraic properties to their counterparts of congruence. Learners see how the properties mean the same whether with equality or...
Instructional Video
Sophia Learning

Sophia: Reflexive Property of Congruence and Equality: Lesson 1

9th - 10th
This lesson will introduce the reflexive property of congruence, and the reflexive property of equality. It is 1 of 6 in the series titled "Reflexive Property of Congruence and Equality."
Instructional Video
Khan Academy

Khan Academy: Basic Triangle Proofs Module Example 2

9th - 10th Standards
A video proving that the given triangles are congruent by ASA.
Instructional Video
Sophia Learning

Sophia: Reflexive Property of Congruence and Equality: Lesson 5

9th - 10th
This lesson will introduce the reflexive property of congruence, and the reflexive property of equality. It is 5 of 6 in the series titled "Reflexive Property of Congruence and Equality."
Instructional Video
Sophia Learning

Sophia: Reflexive Property of Congruence and Equality: Lesson 3

9th - 10th
This lesson will introduce the reflexive property of congruence, and the reflexive property of equality. It is 3 of 6 in the series titled "Reflexive Property of Congruence and Equality."
Instructional Video
Sophia Learning

Sophia: Reflexive Property of Congruence and Equality: Lesson 4

9th - 10th
This lesson will introduce the reflexive property of congruence, and the reflexive property of equality. It is 4 of 6 in the series titled "Reflexive Property of Congruence and Equality."