Kobon triangle problem

Equilateral Triangle & Rectangle Phenomenon

Equilateral triangle & rectangle have common vertex here. Other 2 triangle vertices lie on the rectangle. How can we prove this phenomenon? 🤔 https://www.geogebra.org/m/jF3acAgK #GeoGebra #MTBoS #ITeachMath #geometry #math #maths #GeomChat #proof #MathEd

From playlist Geometry: Challenge Problems

러스트로 금융툴 만들기! Making a finance tool with Rust!

어떤 금율툴을 만들 예정이지만 정확한 계획은 하나도 없습니다! 일단 crossterm + tui로 시작하도록 하겠습니다. Making some sort of finance tool on request with no plan in particular on how to do it. Going to start with crossterm and tui and go from there. Code so far: https://github.com/Dhghomon/finance-tool

From playlist Other Rust videos

Triangle Side Trisection: Cool Phenomenon

In a triangle, if you draw 6 cevians that end up trisecting all the triangle's sides, you get this phenomenon. Why does this occur? Source: Antonio Gutierrez. https://www.geogebra.org/m/qhabmchn #GeoGebra #geometry #math

From playlist Geometry: Challenge Problems

The Corner Cube Problem

The corner cube problem is interesting because it initially looks difficult. When the problem was first posed to me, for example, it didn't know how to solve it. Still, my intuition bells were ringing, telling me there was a nice solution. In this video, I cover two of these solutions, in

From playlist Fun

Bryan Johnson's Triangle Theorem

GeoGebra Resource: https://www.geogebra.org/m/jpxyaqcu What happens when we build similar triangles off the sides of ANY TRIANGLE? Check it out! How can we prove this phenomenon true?

From playlist Geometry: Challenge Problems

Concave Quadrilateral Craziness! (GoGeometry Action 80)

Link: https://www.geogebra.org/m/T4axJRwY

From playlist Geometry: Challenge Problems

Triangle Inequality Theorem

This video states and investigates the triangle inequality theorem. Complete Video List: http://www.mathispower4u.yolasite.com

From playlist Relationships with Triangles

Japanese Temple Problems I Famous Math Problems 14 | NJ Wildberger

Sangaku are Japanese geometry problems which were posted on temple walls in the Edo period. They are often strikingly original to the Western view, with lovely constructions and challenges involving triangles, circles and ellipses. Here we look at one in particular, posed by 13 year old Sa

From playlist Famous Math Problems

Carnot's Theorem (Obtuse Triangle) = GoGeometry Action 27!

Link: https://www.geogebra.org/m/qfBUGEwe

From playlist Geometry: Challenge Problems

Learn how to determine the missing variable given an isosceles triangle

👉 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 are: scalene, isosceles, and equilateral triangles. A

From playlist Triangles

Killer Math Problem With An Unbelievably Elegant Solution

Did you know some math problems were used to discriminate against groups of people? This is one such problem, and it stumped me! But it has an unbelievably elegant solution. Take any equilateral triangle and pick a random point inside the triangle. Draw from each vertex a line to the rand

From playlist Math Puzzles, Riddles And Brain Teasers

How Classifying Triangles Helps Solve Problems | Part 1

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? ⭐️ Find the Missing Angle of a Right Triangle Using Trig - https://youtu.be/m8XtAlKmXGg ⭐️ Classify a Triangle Given Coordinate Points | Part 2 - https://youtu.be/V

From playlist Learn Triangles in Parts | Geometry

Hypergraph matchings and designs – Peter Keevash – ICM2018

Combinatorics Invited Lecture 13.10 Hypergraph matchings and designs Peter Keevash Abstract: We survey some aspects of the perfect matching problem in hypergraphs, with particular emphasis on structural characterisation of the existence problem in dense hypergraphs and the existence of d

From playlist Combinatorics

GeometricScene in Olympiad Geometry

This talk from Shenghui Yang demonstrates how to use Wolfram Language functions to help us understand the idea behind the construction proof. Since good visualization is critical to help focus on the important part in a complicated GeometricScene, he also shows the proper use of HatchFilli

From playlist Wolfram Technology Conference 2020

CPCTC Geometry Proofs Made Easy, Triangle Congruence - SSS, SAS, ASA, & AAS, Two Colmn Proofs

This video tutorial provides a basic introduction into CPCTC geometry proofs. CPCTC stands for "corresponding parts of congruent triangles are congruent" It's the step that comes right after proving the congruence of two triangles. Some triangle congruence theorems you need to know are

From playlist Geometry Video Playlist

What is the area of the red stripes?

This is a brilliantly fun geometry problem! 0:00 problem 1:00 similar triangles 3:00 solution References Similar triangles area (Math StackExchange) https://math.stackexchange.com/questions/1588290/similar-triangles-are-to-one-another-in-the-squared-ratio-of-their-correspondi Euclid sim

From playlist Math Puzzles, Riddles And Brain Teasers

Can you make the areas equal?

We solve a problem from the 1990 Mathcounts competition. We're given a triangle's vertices with coordinates, and are asked to find the coordinates of the point on a side of the triangle that, by joining it to the opposite vertex, will cut the triangle into two smaller triangles of equal ar

From playlist Math Competition Problems

Triangle Congruence Theorems, Two Column Proofs, SSS, SAS, ASA, AAS Postulates, Geometry Problems

This geometry video tutorial provides a basic introduction into triangle congruence theorems. It explains how to prove if two triangles are congruent using the SSS, SAS, ASA, and AAS postulate using two column proofs. Here is a list of topics contained in the statements and reasons of th

From playlist Geometry Video Playlist

"98% Fail" - How Many Triangles Are There? Viral Bollywood Puzzle

This problem caught the attention of Bollywood celebs, including Sonam Kapoor, Aditi Rao Hydari, and Diana Penty, after fashion magazine editor Jitesh Pillai tweeted it. How many triangles are there? This is not just a simple test of observational ability. This is a common test question in

From playlist Viral Math Memes

Using the Isosceles triangle theorem to find the measure of x

👉 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 are: scalene, isosceles, and equilateral triangles. A

From playlist Triangles