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I understand how to find the apothem, but i dont know what to do with it afterwards. If the apothem of a regualr pentagon is 10.8 what would be the radius of the circumscribed circle? ... Which 5?. The Pi/5?. That is just the radian equivalent of 36 degrees. Whatever you want to use. The 5.4 came from making a mistake.
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www.mathhelpforum.com/math-help/trigonometry/46377-apot...
www.mathhelpforum.com/math-help/trigonometry/46377-apothem.html
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Bob Ware (26 June 2009) "Apothem angle of Great Pyramid and gematria of JESUS point to 11 July 2009 ... I continued from this 90 degree point 592 days and came to lower right-hand corner of the compass. The date that fell there was 06/27/2003. This was the 888th day in office for President George Walker Bush.
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www.fivedoves.com/letters/june2009/bobware626.htm
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I was vaguely offended by the idea and wondered where it came from - now I know. This man obviously hasn't hear of the even more famous saying 'When you learn a language you learn a culture'...
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apothem-tercet.spaces.live.com/
apothem-tercet.spaces.live.com/
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The apothem may also refer to the segment with length as describe above. The apothem is often used in some formulas. For example, the area of a regular polygon is A=asn/2, where a is the apothem, s is the length of each side, and n is the number of sides.
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www.andrews.edu/~calkins/math/webtexts/geom06.htm
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however, it may help students to leave it in this form so they can see precisely where the perimeter, apothem, and angle measure calculations came from.
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illuminations.nctm.org/LessonDetail.aspx?ID=L710
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The distance from the center of a regular polygon to the sides, the apothem, comes from the Greek term "to set off", as in to set apart. ... The traditional shape of the large roofless enclosures in which the famous Roman Chariot races were run was circular or oblong, and thus the word came to described this shape as well.
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www.pballew.net/arithmet.html
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He knew that the area of each polygon was a sum of areas of triangles that came to half the product of its apothem (like its radius) by its circumference. As the numbers of sides of the polygons increased, they became more and more like the circle, and on that basis he reached his conclusion.
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www.edmath.org/MATtours/ellipses/ellipses1.10.3.html
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I believe this was true, partly, because Geometry was a course that came fairly naturally to me. Flash ahead now to the fall of 1996, I had just finished my undergraduate work and landed my first teaching job in a small rural school in a western Montana town called Hot;
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www.math.montana.edu/mathed/distance/capstone/hammond/F...
www.math.montana.edu/mathed/distance/capstone/hammond/FinalReportPDF.pdf
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When you set out to find the area of a regular polygon, you've got to keep in mind that regular polygons have lines with special meaning. These lines include the radius and the apothem.
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www.dummies.com/how-to/content/sizing-up-the-area-of-a-...
www.dummies.com/how-to/content/sizing-up-the-area-of-a-polygon.html
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