Whats the 4th side? Ingenious Solution! | #visualproof @SohilRathi
Whats the 4th side? Ingenious Solution! | #visualproof  @SohilRathi
Uploaded October 2025 | Updated September 2026, 1 week ago
How can you prove a geometry theorem without a single complex formula? By making it visual. Watch this intuitive animation for a cool theorem in geometry.
(Try solving it before you watch the solution.)

#VisualProof #Geometry #TangentialQuadrilateral #Circles #EuclideanGeometry #BeautifulMath #MathIsFun #ElegantProof



============================================

Mastering AMC 10/12 book: omegalearn.org/mastering-amc1012.
The book includes video lectures for every topic on the AMC 10/12 contests, along with many useful formulas and hundreds of examples and practice problems with detailed video solutions.

Mastering AMC 8 book: omegalearn.org/mastering-amc8
The book covers the most important concepts on the AMC 8 contest, and includes video lectures for every chapter, formulas for every topic, and hundreds of examples and practice problems with detailed video solutions.

Join our Discord server to discuss problems from our books or any help with math competitions in general: bit.ly/OmegaLearnDiscord
-------------------------------------------------------------------------------------------------------------------------------------
In this video, we discussed
-------------------------------------------------------------------------------------------------------------------------------------
To get notifications for new videos, click here to subscribe:
bit.ly/2JjEDqr

For more practice, watch the following free courses:

1. AMC 8 Fundamentals Course:
youtube.com/playlist?list=PLT9bNzqjDoMmMNsMAJ3g7C4ptRnPMMrpT

2. AMC 8 Advanced Course:
youtube.com/playlist?list=PLT9bNzqjDoMmjM-PFJktrlab4-bkWwFMP

3. Mastering AMC 8 Course:
youtube.com/playlist?list=PLT9bNzqjDoMnF2rmrySRQF_c_gUjKkVMe

4. AMC 10/12 Fundamentals Course:
youtube.com/playlist?list=PLT9bNzqjDoMkoIg9K_bs4EjdpHYlS0L51

5. Mastering AMC 10/12 Course:
youtube.com/playlist?list=PLT9bNzqjDoMlmyxKw2bp5nHsEu-Zn9dac

More resources available at: omegalearn.org

-------------------------------------------------------------------------------------------------------------------------------------
Tags:
AMC 8, AMC 8 Preparation, AMC 8 Crash Course, AMC 8 Concepts, AMC 8 Review, AMC 10, AMC 12, MATHCOUNTS, MathLeague, Number Theory, Primes, Factors, Competition math, Number of Factors, Sum of Factors, Product of Factors, Permutations, Combinations, Combinatorics, Modular Arithmetic, Recursion, Probability, Divisibility, Competition Math, Area of a Triangle, Similar Triangles, Cyclic Quadrilateral, Power of a Point, 3D Geo, Polygons, Coordinate Geometry
Whats the 4th side? Ingenious Solution! | #visualproof2023 AMC 10B #222025 AMC 12B Problem 20/10B Problem 242024 AMC 8 #23 using coordinate transformationsThe Magic of Modular Arithmetic - Mastering AMC 8Red or Green: Which is bigger? (Guess before you watch) | #visualproof2024 AMC 8 #16 using logic analysis2023 AMC 10A #9/12A #72023 AMC 10A #17The Three Measures of Central Tendency - Mastering AMC 8The Weirdest Theorem in Geometry! (#visualproof)IN THE ZONE (Mathletes Anthem) - Focus Music for Math Lovers
Sohil Rathi |

What's the 4th side? Ingenious Solution! | #visualproof

SHARE TO X SHARE TO REDDIT SHARE TO FACEBOOK WALLPAPER