Question 1161661
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After reading the post, I feel myself in a jam.


From the post, I could not interpret the condition in unambiguous way. 


Is 8000 ft the distance horizontally or is it the distance along the sloped straight line ?



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Today in the evening, several problems came to the forum that are EITHER incorrect, OR FAKE, OR ambiguous.


It is absolutely clear that these problem came not from the authoritative source.


Hence, they are produced by somebody on his (or her) own, by the person, who has no experience in composing Math problems.



I ask this person to stop his (or her) activity and do not steal tutors' time.



Otherwise, I will collect all appropriate links and will inform the managers of this project,

asking them to fire this person and to delete his account to cut his access to this forum.