Problem 233  


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hujh2012
Posts: 1

Joined: 3/6/2012
Topic  Problem 233       Flag »  Reply »
Benjamin Bloch has made some errors in his solution to problem #233.

In his solution to the angles of the plane triangle he will fine that in triangle FAP his sum of the interior angles is 180.02 deg. (180.02 deg = 180d 1m 12s, a  big error). In triangle FHP his sum is 180.01 deg. (180.01 deg. = 180d 0m 36s) and in triangle FAG he has the sum as 180.02 deg.
Maybe Bloch just forgot that according to Euclidean geometry the sum of the interior angles of a triangle is equal to 180 degrees exactly. See Euclid's Elements book 1 Proposition 32.




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  Tuesday, March 06, 2012 at 11:28:56 PM
Neeraj
Posts: 39

Joined: 10/21/2013
Reply  Re: Problem 233 Flag »  Reply »
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  Monday, October 21, 2013 at 1:14:19 PM


 
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