March 1st, 2013, 02:29 PM  #1 
Member Joined: Aug 2012 Posts: 71 Thanks: 1  Geometry problem
I am really stuck on this problem. Q. A person plans a walking track to a tree, located at the point (20,36) on a map. The nearest road to the tree has equation 2x + 7y = 35 He draws the track to the tree from this road on the map, so that the track is as direct as possible. What is the equation of the line that he has drawn? This is my answer: y= 2x4 Thanks for your help 
March 1st, 2013, 04:19 PM  #2  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 3,267 Thanks: 408  Re: How to solve... Hello, Doc! Did you make a sketch? Quote:
Code:  T  o(20,36) Ao *  * *  * *  o  P *  *  oB  +               Last edited by skipjack; January 8th, 2015 at 12:26 PM.  
March 1st, 2013, 06:25 PM  #3 
Member Joined: Aug 2012 Posts: 71 Thanks: 1  Re: Geometry problem
Thanks very much! I really struggle with maths.

January 4th, 2015, 09:18 PM  #4 
Newbie Joined: Jan 2015 From: Pakistan Posts: 1 Thanks: 0 
Just wanted some help with answering this past exam paper. Can you provide some solutions please and the steps involved in getting there?

January 4th, 2015, 09:30 PM  #5 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,963 Thanks: 1148 Math Focus: Elementary mathematics and beyond 
Post a new thread containing your problem (soroban's explanation should suffice here).
Last edited by greg1313; January 4th, 2015 at 10:01 PM. 
January 5th, 2015, 12:31 AM  #6 
Senior Member Joined: Nov 2013 From: Baku Posts: 502 Thanks: 56 Math Focus: Geometry 
The nearest way is the perpendicular line from tree to road.


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