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POTD

Scheduled Pinned Locked Moved The Lounge
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  • A Andy Brummer

    The length of the leash is 20 m. So the area is the sum of 3 half circles of radius 20m, 15m and 5m. Think about how the leash wraps around the house as the god walks around it.


    Using the GridView is like trying to explain to someone else how to move a third person's hands in order to tie your shoelaces for you. -Chris Maunder

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    MoustafaS
    wrote on last edited by
    #14

    Very nice :laugh:

    Andy Brummer wrote:

    god

    :wtf: DOG please, DOG.


    About : Islam
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    • A Andy Brummer

      The length of the leash is 20 m. So the area is the sum of 3 half circles of radius 20m, 15m and 5m. Think about how the leash wraps around the house as the god walks around it.


      Using the GridView is like trying to explain to someone else how to move a third person's hands in order to tie your shoelaces for you. -Chris Maunder

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      Nish Nishant
      wrote on last edited by
      #15

      Andy Brummer wrote:

      Think about how the leash wraps around the house as the god walks around it.

      SOAPBOX!!! :rolleyes:

      Regards, Nish


      Nish’s thoughts on MFC, C++/CLI and .NET (my blog)
      My latest book : C++/CLI in Action / Amazon.com link

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      • M MoustafaS

        Puzzle of the day. A fence of a house is 10m length (square) At point d a dog is tied, it can't go inside the house, when it moves along the sides it reaches the point x (max), Where the point x, and d are a midpoints of there sides. Q : What is the area that the dog can move in ?

          d
        
          • -|- - -
            | |
            | |
            | |
            | |
          • -|- - -
            x

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        Tarakeshwar Reddy
        wrote on last edited by
        #16

        1139.271 1021.42771 Forgot to /2 for pi*5*5

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        • M MoustafaS

          Puzzle of the day. A fence of a house is 10m length (square) At point d a dog is tied, it can't go inside the house, when it moves along the sides it reaches the point x (max), Where the point x, and d are a midpoints of there sides. Q : What is the area that the dog can move in ?

            d
          
            • -|- - -
              | |
              | |
              | |
              | |
            • -|- - -
              x

          About : Islam
          About : Me

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          MoustafaS
          wrote on last edited by
          #17

          Andy Brummer and Nishant Sivakumar got it right. it's 325*PIm


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          • M MoustafaS

            :laugh: Taking your word, "The most obvious solutions are not right". Also I put this puzzle specially for you.


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            Raj Lal
            wrote on last edited by
            #18

            oh i am flattered :) i should have given more time to the question btw good one

            Omit Needless Words - Strunk, William, Jr.


            Vista? Cryptography Next Generation (CNG) here

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            • R Raj Lal

              oh i am flattered :) i should have given more time to the question btw good one

              Omit Needless Words - Strunk, William, Jr.


              Vista? Cryptography Next Generation (CNG) here

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              MoustafaS
              wrote on last edited by
              #19

              Nice one in fact, what about your new puzzles, do you have ?:rolleyes:


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              • M MoustafaS

                Andy Brummer and Nishant Sivakumar got it right. it's 325*PIm


                About : Islam
                About : Me

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                Nish Nishant
                wrote on last edited by
                #20

                LongHC wrote:

                Andy Brummer and Nishant Sivakumar got it right. it's 325*PIm

                :jig:

                Regards, Nish


                Nish’s thoughts on MFC, C++/CLI and .NET (my blog)
                My latest book : C++/CLI in Action / Amazon.com link

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                • M MoustafaS

                  Nice one in fact, what about your new puzzles, do you have ?:rolleyes:


                  About : Islam
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                  Raj Lal
                  wrote on last edited by
                  #21

                  Did you see the last one here[^]

                  Omit Needless Words - Strunk, William, Jr.


                  Vista? Cryptography Next Generation (CNG) here

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                  • R Rama Krishna Vavilala

                    Assuming that the dog cannot cross the fence. The dog will walk in an area like the following: dog.png (1.1 Kb) The area = 2 * area of rectangles + Area of the 1/6 the circle = 2 * 0.5 * 5 * sqrt(75) + 1/6 * pi * 100 Where did I go wrong?

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                    MoustafaS
                    wrote on last edited by
                    #22

                    Rama Krishna Vavilala wrote:

                    The dog will walk in an area like the following:

                    It is not like this, in fact it will move in a circles (Quarters) with radii 20, 15, and 5, then adding them and multiplying by 2 (Because it can go from the 2 sides) will give the solution, which is 325*PIm as Andy and Nish said.


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                    • T Tarakeshwar Reddy

                      1139.271 1021.42771 Forgot to /2 for pi*5*5

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                      MoustafaS
                      wrote on last edited by
                      #23

                      Right;)


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                      • M MoustafaS

                        Rama Krishna Vavilala wrote:

                        The dog will walk in an area like the following:

                        It is not like this, in fact it will move in a circles (Quarters) with radii 20, 15, and 5, then adding them and multiplying by 2 (Because it can go from the 2 sides) will give the solution, which is 325*PIm as Andy and Nish said.


                        About : Islam
                        About : Me

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                        Rama Krishna Vavilala
                        wrote on last edited by
                        #24

                        Oh Ok! I also thought that the dog was inside the fence.:doh:

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                        • M MoustafaS

                          Andy Brummer and Nishant Sivakumar got it right. it's 325*PIm


                          About : Islam
                          About : Me

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                          Vikram A Punathambekar
                          wrote on last edited by
                          #25

                          LongHC wrote:

                          A fence of a house is 10m length (square)

                          If 10m is the length of the fence, the side of the square is only 2.5m. PI * 325 is ridiculously large. Or did you mean one side of the square is 10m?

                          Cheers, Vıkram.


                          Déjà moo - The feeling that you've seen this bull before. Join the CP group at NationStates. Password: byalmightybob

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                          • R Raj Lal

                            Did you see the last one here[^]

                            Omit Needless Words - Strunk, William, Jr.


                            Vista? Cryptography Next Generation (CNG) here

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                            MoustafaS
                            wrote on last edited by
                            #26

                            Avery very nice one. I like these things, please come up now with one like it if you have:cool::rose:


                            About : Islam
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                            • V Vikram A Punathambekar

                              LongHC wrote:

                              A fence of a house is 10m length (square)

                              If 10m is the length of the fence, the side of the square is only 2.5m. PI * 325 is ridiculously large. Or did you mean one side of the square is 10m?

                              Cheers, Vıkram.


                              Déjà moo - The feeling that you've seen this bull before. Join the CP group at NationStates. Password: byalmightybob

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                              MoustafaS
                              wrote on last edited by
                              #27

                              Vikram A Punathambekar wrote:

                              Or did you mean one side of the square is 10m?

                              Yes, very sorry if it wasn't clear enough.


                              About : Islam
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                              • M MoustafaS

                                Puzzle of the day. A fence of a house is 10m length (square) At point d a dog is tied, it can't go inside the house, when it moves along the sides it reaches the point x (max), Where the point x, and d are a midpoints of there sides. Q : What is the area that the dog can move in ?

                                  d
                                
                                  • -|- - -
                                    | |
                                    | |
                                    | |
                                    | |
                                  • -|- - -
                                    x

                                About : Islam
                                About : Me

                                M Offline
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                                Marc Clifton
                                wrote on last edited by
                                #28

                                LongHC wrote:

                                when it moves along the sides

                                Well, if it's constrained to moving along the sides, then it doesn't create a closed container, it only follows the edges. So the area is 0. Marc

                                Thyme In The Country
                                Interacx

                                People are just notoriously impossible. --DavidCrow
                                There's NO excuse for not commenting your code. -- John Simmons / outlaw programmer
                                People who say that they will refactor their code later to make it "good" don't understand refactoring, nor the art and craft of programming. -- Josh Smith

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                                • M Marc Clifton

                                  LongHC wrote:

                                  when it moves along the sides

                                  Well, if it's constrained to moving along the sides, then it doesn't create a closed container, it only follows the edges. So the area is 0. Marc

                                  Thyme In The Country
                                  Interacx

                                  People are just notoriously impossible. --DavidCrow
                                  There's NO excuse for not commenting your code. -- John Simmons / outlaw programmer
                                  People who say that they will refactor their code later to make it "good" don't understand refactoring, nor the art and craft of programming. -- Josh Smith

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                                  MoustafaS
                                  wrote on last edited by
                                  #29

                                  Marc Clifton wrote:

                                  LongHC wrote: when it moves along the sides

                                  That sentence was only to let them get the string length, as when it moves along the sides and reach the other side at the midpoint, so the length is 20m.:)


                                  About : Islam
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                                  • M MoustafaS

                                    Vikram A Punathambekar wrote:

                                    Or did you mean one side of the square is 10m?

                                    Yes, very sorry if it wasn't clear enough.


                                    About : Islam
                                    About : Me

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                                    Vikram A Punathambekar
                                    wrote on last edited by
                                    #30

                                    Awww, I took it to mean the fence was 10m in length, and took one side to be 2.5m. Otherwise, I think I would have beaten Nish Bot and Andy. :(

                                    Cheers, Vıkram.


                                    Déjà moo - The feeling that you've seen this bull before. Join the CP group at NationStates. Password: byalmightybob

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                                    • V Vikram A Punathambekar

                                      Awww, I took it to mean the fence was 10m in length, and took one side to be 2.5m. Otherwise, I think I would have beaten Nish Bot and Andy. :(

                                      Cheers, Vıkram.


                                      Déjà moo - The feeling that you've seen this bull before. Join the CP group at NationStates. Password: byalmightybob

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                                      MoustafaS
                                      wrote on last edited by
                                      #31

                                      Vikram A Punathambekar wrote:

                                      have beaten Nish Bot and Andy.

                                      Nevermind:-D, I have many others I can come up with.


                                      About : Islam
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                                      • M MoustafaS

                                        Avery very nice one. I like these things, please come up now with one like it if you have:cool::rose:


                                        About : Islam
                                        About : Me

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                                        Raj Lal
                                        wrote on last edited by
                                        #32

                                        Here is one "like" yours A man placed 4 stepping stones one foot square in a row, in a section of his garden so that there were equal spaces on all four sides of each of the stones. What possible dimension, the section can have ? Keep rolling and, talking about stepping stones - "Mistakes are stepping stones to success.” oops... was that a hint ?

                                        Omit Needless Words - Strunk, William, Jr.


                                        Vista? Cryptography Next Generation (CNG) here

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                                        • R Raj Lal

                                          Here is one "like" yours A man placed 4 stepping stones one foot square in a row, in a section of his garden so that there were equal spaces on all four sides of each of the stones. What possible dimension, the section can have ? Keep rolling and, talking about stepping stones - "Mistakes are stepping stones to success.” oops... was that a hint ?

                                          Omit Needless Words - Strunk, William, Jr.


                                          Vista? Cryptography Next Generation (CNG) here

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                                          MoustafaS
                                          wrote on last edited by
                                          #33

                                          I cant get it, could you explain or get a drawing ?


                                          About : Islam
                                          About : Me

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