+
1 2 12
1 10 18

: !

  1. #1
    confeta       confeta
    04.11.2007
    249
    ()
    0
    : 0 (: 0).

    Exclamation !

    , !

    (-5;-4), (-4;3), (-1;-1)

    1) , .

    2) .

    3) , .

    4) ,

  2. #2
    Raz    Raz
    02.02.2007
    489
    ()
    0
    : 0 (: 0).

    1. L(AC)=L(BC)=sqrt((x1-x2)^2+(y1-y2)^2), A(x1,y1), C(x2,y2) B(x1,y1), C(x2,y2)
    2. (xa)^2+(yb)^2=R^2, R=L(BC), (.)(a,b)=B(x,y)
    3. D((x0-x1)/2,(y0-y1)/2)), A(x0,y0), B(x1,y1); L(DC)=sqrt((x1-x2)^2+(y1-y2)^2), D(x1,y1), C(x2,y2)
    4. (x-x0)/(x1-x0)=(y-y0)/(y1-y0), A(x0,y0), C(x1,y1)
    - ... .
    Raz; 21.12.2007 01:56.
    - !

  3. #3
    confeta       confeta
    04.11.2007
    249
    ()
    0
    : 0 (: 0).

    !!!! !!

  4. #4
    V.I.P. Logovaz    Logovaz      Logovaz
    11.12.2006
    3,625
    ()
    5
    : 0 (: 0).


    .

  5. #5
    Raz    Raz
    02.02.2007
    489
    ()
    0
    : 0 (: 0).

    , , ! , ...
    - !

  6. #6
    WEBSTREM       WEBSTREM
    30.09.2007
    122
    ()
    0
    : 0 (: 0).

    ?
    , , , .
    !!!

  7. #7
    confeta       confeta
    04.11.2007
    249
    ()
    0
    : 0 (: 0).

    ))) ))))

  8. #8
    _-``-_ Black_Wolf       Black_Wolf
    27.02.2008
    393
    ()
    0
    : 0 (: 0).


    . 3, 42. .

  9. #9
    ! Fox   Fox   Fox   Fox     Fox
    01.01.2005
    2,847
    ()
    0
    : 0 (: 0).

    Black_Wolf,

    1. CAD , .. 1 2 ( ), 2 = 3, .. AB||D AD .
    2. 1) , AC=CD (AC=BD .. )
    3. (AC=CD=BD)=(42-3):3
    4. CD=39:3=13
    5. EF ( ) = (AB+CD):2 = (13+3):2 = 8 .

  10. #10
    _-``-_ Black_Wolf       Black_Wolf
    27.02.2008
    393
    ()
    0
    : 0 (: 0).

    Fox, 8 ! 7( 3

    2 8


    1) R=18, 60. . .
    2) R=3, 120. . .
    3) , , R=7, r=4