A Japanese Math Problem at the Isaniwa Shrine from 1937
<p>This sangaku comes from the Isaniwa Shrine in Matsuyama, Shikoku’s largest city, and is dated 1937.</p>
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<p>The smallest circle has radius 1. Find the radius of the outer circle in terms of the radius of the small red circle at the center.</p>
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<p>Here’s a hint: Pythagoras at the center …</p>
<p><strong><em>I recommend you pause the article, grab your pen and paper, and give this a go. When you are ready, keep reading for the solution! </em></strong></p>
<p><a href="https://towardsdatascience.com/towards-geometric-deep-learning-i-on-the-shoulders-of-giants-726c205860f5"><strong>Read More</strong></a></p>