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Message: <blockquote data-quote="imhotep" data-source="post: 28067125" data-attributes="member: 562115">What? Isn't the area of a circle πr^2 ? If we let r=1 then the area is π.  The ratio of circumference to diameter is correct too. But in the context of this problem the area version suits better. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite22" alt="(y)" title="Thumbs up    (y)" loading="lazy" data-shortname="(y)" /><hr />Sorry it's beyond you then or the common surface areas taught in normal math syllabus. It's for the maths guys in here. There are a few.------ Post added on [DATETIME="UT"]1660362257[/DATETIME]</blockquote>

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