# Einstein’s First Proof

## Finding genius in elementary geometry.

### Albert Einstein, General Relativity

1/23/2022 1:36:00 PM

From 2015: Finding genius in elementary geometry.

Finding genius in elementary geometry.

The logical link between the squares and triangles comes via the confusing Step 4. Here’s a way to make peace with it. Try it out for the easiest kind of right triangle, an isosceles right triangle, also known as a 45-45-90 triangle, which is formed by cutting a square in half along its diagonal.

As you can see, four copies of the triangle fit neatly inside the square. Or, said the other way around, the triangle occupies exactly a quarter of the square. That means thatNow for the cruncher. We never said how big the square and the isosceles right triangle were. The ratio of their areas is

Read more: The New Yorker »

### Rivals.com - Friedman's Takeaways: Road trip across the Northeast

Great article! If you're into Einstein, you might be interested in my novel about zapping the most intelligent human beings from the past into the present and getting any unsolved questions about the world answered. :)

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