大好きな構図をリメイクしました。

gifは曲線で動かした方が見た目いいな

Quite enjoy circle inversions

2025年-算数オリンピック トライアル ↓解説 sansu-seijin.jp/sansu-orympic/…

#geometry #puzzle my old puzzle

Marshall W. Buck Mirangu Yuri Kazakov Here's one way to get that weighted sum of squares formula, using the "sum-to product trig formula". Of course this route was motivated by knowing ahead of time what the answer should be.

Math. The Fingerprint of Infinity. Computation. Fractal features. The incredible beauty of the Julia set for f(z) = 1/((0,15+0,15i)z5 + z3 + (-3+3i)z) on [-3;3] x [-3;3]. Source: tinyurl.com/mr28krjx

The Euler's Disk is just a toy, but it shows you what is considered an interesting theoretical physical singularity. [📹 oxford.mathematics]

Square, a=t=b=e, find R/a. Inspiration to Amirul Faiz #geometry #puzzle

SKG Look at the grid. Fortunately all vertices of the red hexagon sit on vertices of the grid. Cosine rule gives the side length /7 whereas the big hexagon has side length 4. => Answer: Shaded fraction 7/16.

Inspiration to Matilda Spicer #geometry #puzzle

Пару лет назад мне на научную редактуру дали перевод одной научно-популярной книжки (честно говоря, я не знаю вышла ли она в итоге), а там среди прочего рассказывали про мой любимый проект по теории игр от Nicky Case: ncase.me/trust/ Там наглядно показывают что будет

Fluid dynamics art x.com/Sadie2901/stat…

#euclidea_puzzle_283 🎓A regular nonagon is given. The three parts of the green diagonals are equal. Find the angles of the red triangle. Solutions are accepted until 13:00 UTC on Tuesday. We look forward to your answers!

Regular heptagon. AB=1, AM=FI=PD. Find min Area MIP. Inspiration to Euclidea #geometry #puzzle

Yuri Kazakov Euclidea Peter Gallin Diego Rattaggi 🇨🇭 Mirangu 匿(Tock) Poo-Sung Park Dmitriy Spiridonov (1/16)tan(2π/7)

Find the area of the parallelogram and the areas of the two purple triangles if the areas of the three triangles are known: 27, 3, 6 (see picture). #geometry #puzzle

Find area of square!