<PRE><B>Question 1157650</B>
.


As the problem is worded, printed, submitted and presented, it is DEFECTIVE problem.


Why it defective, it is NOT my duty to explain.


Point E and F and the angle EDF are UNDEFINED and UNRELATED to the rest of the post.


Check your post; find the error; then fix the post; then re-submit to the forum.


Please do not submit it to me personally.



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Let me remind you that I collect nonsensical posts, and at the end of the day 
will inform the managers of this project about faulty problems and their authors.



It is a SPECIAL WARNING for those who do not care what they post.



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