<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Circumify — Blog</title><description>Articles on geometry, mathematics, and the formulas behind everyday objects.</description><link>https://circumify.com/</link><language>en-us</language><item><title>The Circumference Formula Explained: Where C = 2πr Actually Comes From</title><link>https://circumify.com/blog/circumference-formula-explained/</link><guid isPermaLink="true">https://circumify.com/blog/circumference-formula-explained/</guid><description>A clear, illustrated explanation of the circumference formula, the role of π, three common variations, and how to use the formula in real-world problems.</description><pubDate>Tue, 26 May 2026 00:00:00 GMT</pubDate><category>geometry</category><category>formulas</category><category>tutorial</category><author>Daniel Whitfield</author></item></channel></rss>