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Thank you for your continued engagement on this thread and for confirming the clarity of my mathematical notation. Regarding the... -
Dr.Peterson replied to the thread Apothem and radius problems.Why do you respond to a 10 year old problem? They aren't still waiting. -
Mmrtwhs replied to the thread Apothem and radius problems.What are the restrictions on the formulas? Some of these are basic high school geometry. Others will need trigonometry.
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Ffresh_42 replied to the thread Apothem and radius problems.The trick to investigating the triangle built from two neighboring points of the polygon and the center of the circle surrounding it.
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Ffresh_42 replied to the thread Perimeter of Regular Polygon.There are quite a few fascinating formulas to approximate \pi. The problem is old, very old: 1800 BC (Babylon). I like Archimedes's...
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Sscottbrandon replied to the thread How To Determine End Value And Time Frame Of An Interest Only Home Equity Line Of Credit.Based on your plan, you can withdraw 1,000 plus the previous month’s interest for approximately 16 to 17 years before the full205,000...
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calculusexpert replied to the thread Power Rule Tip.Thank you for your continued engagement on this thread and for confirming the clarity of my mathematical notation. Regarding the... -
Post # 11 was reported for the link to be removed. calculusexpert, don't post those links.
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I liked the above post for both clarity and content. I don't think, however, that "The forum software seems to have garbled" the way...
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jonah2.0 replied to the thread Perimeter of Regular Polygon.Beer soaked ramblings follow. One of the them amazing definitions: The area of a circle is defined as the limit of the areas of... -
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Nnasi112 replied to the thread Apothem and radius problems.Your question is related to something I just did. You can follow my work through this link...
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Nnasi112 replied to the thread Perimeter of Regular Polygon.I am calculating. Thanks. I used it. Thanks. P = 3.14143 \pi = 3.14159
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NAnd this is the formula: P=180\cdot \sin\left(\dfrac{\pi}{180}\right) .
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NWhy not just calculate it. The perimeter of a regular 180-gon inscribed in a circle of diameter 1 is approximately:
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Ffresh_42 replied to the thread Perimeter of Regular Polygon.And this is the formula: P=180\cdot \sin\left(\dfrac{\pi}{180}\right) .
