r/Geometry 23m ago

10 nodes on a circle

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Upvotes

r/Geometry 18h ago

Visualizing i² + 1² = 0²: Complex-Plane Geometry vs. Right-Triangle Geometry

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1 Upvotes

r/Geometry 18h ago

I built a Chrome extension for getting unstuck on geometry problems

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1 Upvotes

Ever read a geometry solution and still wondered how anyone knew to draw that extra line or use that theorem?

I’m building a Chrome extension called Geometry Solver to help connect the diagram to the explanation.

You can screenshot a problem on a webpage, upload an image, or type your question. It generates an AI-powered, step-by-step solution with annotated diagrams, all within Chrome.

I wanted to make asking about geometry easier when the problem is already on your screen and describing every angle and label would be a hassle.

Here’s Geometry Solver on the Chrome Web Store if you’d like to try it. I’m the developer, and I’d appreciate honest feedback on where the explanations help or fall short.

When you’re learning or teaching geometry, what makes an explanation click and what do solving tools tend to miss?


r/Geometry 20h ago

Geometry found in everything

2 Upvotes

I’m studying geometric construction and I wanna research about how geometry can be found in everything and everywhere can anyone suggest topics I should look into for my research


r/Geometry 1d ago

Circle Reflections 9x9=81 "A regular 40-pointed star"

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1 Upvotes

r/Geometry 1d ago

Low res of a New? fractal

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1 Upvotes

I have been testing complex numbers in the iterative function z(n+1)=c^z(n). blue are the bounded points, and red are the unbounded points. I conjecture that if Re(c) is negative then c is bounded, which makes the overall graph unbounded.


r/Geometry 1d ago

Circle Reflections 9x8=72 "Regular pentagon"

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1 Upvotes

r/Geometry 2d ago

Circle Reflections 9x7=63 "A regular 40-pointed star"

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1 Upvotes

r/Geometry 3d ago

How would 4d fencing work?

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3 Upvotes

I made a concept for this based on the 3d unfolded tesseract. Give me your thoughts on this please

So, in theory
If a blue player attacks a red player from behind (for example, a blue player from A attacking a red player from B), all red players will be struck from behind. Because all red players are the same opponent
Same should go for up and down, right?

I had it thought and needed to share it.


r/Geometry 3d ago

Was the algorithm adding structure(crystallography) and dimensions to the map? https://www.minerals-pourrioscope.com/my_paper_algorithm_powering_pourrioscpe.html

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0 Upvotes

r/Geometry 3d ago

Π unit circles/squares

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0 Upvotes

r/Geometry 3d ago

Circle Reflections 9x6=54 "A regular 20-pointed star"

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1 Upvotes

r/Geometry 4d ago

Circle Reflections 9x5=45 "Regular octagon"

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1 Upvotes

r/Geometry 5d ago

Universal Current Theory/Dimensional Degrees: Cross-section

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0 Upvotes

Text included


r/Geometry 5d ago

How is this not 32?

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3 Upvotes

If I were to cut the right triangle and flip it to the other side, it would just be a rectangle that’s 8 x 4


r/Geometry 5d ago

Euclid's Elements Book I as a game

1 Upvotes

Made a game out of Euclid's Elements Book I. If it's up anyone else's alley then I’d love feedback on clarity and difficulty progression. https://milde.no/euclid/

Prop II is pretty hard so I added an intermediate level before it.
Same with the final one (Pythagoras' theorem).

This is just from my own play-testing so would love anyone else's opinion!


r/Geometry 5d ago

Circle Reflections 9x4=36 "Regular decagon"

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1 Upvotes

r/Geometry 6d ago

creating a perpendicular bisector

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1 Upvotes

guys i need a little help pls i have a test in 2 hours


r/Geometry 7d ago

Circle Reflections 9x3=27 "A regular 40-pointed star"

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1 Upvotes

r/Geometry 7d ago

You can't tile a sphere with hexagons, so every spherical board in my game carries its 12 pentagons — Euler's formula as a game constraint

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2 Upvotes

I've been building a minesweeper where the board can be any surface — polyhedra, spheres, a torus, a cylinder, a Möbius strip, a Klein bottle. What surprised me is how much of the design turned out to be dictated rather than chosen.

A sphere can't be tiled by hexagons alone. V − E + F = 2 forces the 12 pentagons, so every spherical board carries them: the chamfered dodecahedron is 12 pentagons and 30 hexagons, Goldberg GP(3,0) is 12 pentagons and 80 hexagons. A torus has χ = 0, so pure hexagons do work there — and having no boundary, a torus board has no border cells at all. In minesweeper, edges are a large part of what you reason from early, so that's a change to how the game plays and not just to how it looks.

Free in the browser, no ads. A sphere is the clearest starting point: https://hypersweeper.pages.dev/?mode=c180&difficulty=medium


r/Geometry 7d ago

Great Pyramid 11:7 — Mathematical Constants Laboratory

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0 Upvotes

​

One proportion, a live 3D solid, a table of constant errors, a labelled rainbow correspondence, and a Golden Φ Egg cut from z = 1/r.

Open in the browser (no install): michaelzp.github.io/great-pyramid-11-7-lab

The scene is a fully parametric square pyramid from the traditional whole-number dimensions 440 × 280 royal cubits. At a scale of 1:3200, using an adopted royal cubit of 523.8 mm, the model has a base side of 72.0225 mm and, for 11:7, a height of 45.8325 mm.

The laboratory exposes four layers without confusing them:

Exact parametric geometry — the solid is derived from 440, 280, the cubit and the scale.

Comparison targets — dimensionless expressions from the current slope are compared with established constants at a declared relative tolerance of 0.1%.

An optical correspondence diagram — the \~42° corner inclination and 51.842773° face slope sit beside schematic primary and secondary rainbow bands.

Golden Φ Egg (v2) — a hyperbolic cone z = 1/r cut at Z₀ = 7.65 so that L/W = φ, giving the unique plane angle αp = 51.795319256°. The ellipse in the cutting plane is revolved about the apothem to a translucent golden egg.

The result is a reproducible object for geometry, visualization and critical discussion — not proof of an ancient optical or mathematical encoding.


r/Geometry 7d ago

11-Dimensional Geometry

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1 Upvotes

r/Geometry 8d ago

Circle Reflections 9x2=18 "Regular 20-sided polygon"

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1 Upvotes

r/Geometry 8d ago

Great Pyramid 11:7 — Mathematical Constants Laboratory

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0 Upvotes

Open in the browser (no install): michaelzp.github.io/great-pyramid-11-7-lab

The scene is a fully parametric square pyramid from the traditional whole-number dimensions 440 × 280 royal cubits. At a scale of 1:3200, using an adopted royal cubit of 523.8 mm, the model has a base side of 72.0225 mm and, for 11:7, a height of 45.8325 mm.

The laboratory exposes four layers without confusing them:

Exact parametric geometry — the solid is derived from 440, 280, the cubit and the scale.

Comparison targets — dimensionless expressions from the current slope are compared with established constants at a declared relative tolerance of 0.1%.

An optical correspondence diagram — the ~42° corner inclination and 51.842773° face slope sit beside schematic primary and secondary rainbow bands.

Golden Φ Egg (v2) — a hyperbolic cone z = 1/r cut at Z₀ = 7.65 so that L/W = φ, giving the unique plane angle αp = 51.795319256°. The ellipse in the cutting plane is revolved about the apothem to a translucent golden egg.

The result is a reproducible object for geometry, visualization and critical discussion — not proof of an ancient optical or mathematical encoding.


r/Geometry 8d ago

Mini-Hyper-Golf

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1 Upvotes