Peru2009 447.jpg
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§
§ The perimeter is p=3a\,\!
§ The radius of the <http://en.wikipedia.org/wiki/Circumscribed_circle>
circumscribed circle is R=a\frac{\sqrt{3}}{3}
§ The radius of the <http://en.wikipedia.org/wiki/Inscribed_circle>
inscribed circle is r=a\frac{\sqrt{3}}{6}
§ And the <http://en.wikipedia.org/wiki/Altitude_(triangle)> altitude is
h=a\frac{\sqrt{3}}{2}.
I had thought the newer trains with the better lighting and clear-sounding announcements would have fixed this. But no, just the same of the old.
One can easily argue that the sign above on the platform is sufficient. But anyone who has been in New York for more than a week can tell you that trains frequently change routes, which is another point of grievance by subway riders.
Is it so costly to add to short words, "to" and "from" to the sign? Perhaps it is too taxing on a non-thinking mind.
Sent from my Verizon Wireless BlackBerry
Sen. Hillary Rodham Clinton, D-N.Y., reads her Blackberry as she talks with wounded Marine Lance Corp. Matt Bradford during the rededication ceremony of the Intrepid Sea, Air and Space Museum in New York, Tuesday, Nov. 11, 2008.
(AP Photo/Gerald Herbert)1. The ability to copy and paste text from an email.
2. The ability to save/download attachments to the phone's memory.
To ask Google to add this feature, use this link.