1 2 2

:

  1. #1

    Sector and Segment



    : :Arc length

    :

    = 2 ∏ = ∏ (1)

    360 180





    ﮬ =

    180

    (1) = ﮬ

    = ﮬ ﮬ .



    : 21



    3

    : ﮬ = 21 = 7∏

    3



    : :

    : 360

    2 : = 2

    360

    ﮬ =

    180

    :

    = 12 ( ﮬ )

    2

    =ﮬ

    =

    2



    = 2 +

    : :









    : 8 25.

    : = 2 +

    = 2 8 +

    25 =16 +

    = 9

    = = 9 8 = 363

    2 2











    : 15 2702 :

    Ý) .

    ȝ)



    : ) = 12

    2

    270 =1 ﮬ 15 2

    2

    270 =225ﮬ

    2

    540 = 225 ﮬ

    540 = ﮬ

    ﮬ = 42

    ) = ﮬ

    = 4 2 15 = 36.

















    :



    1) 32 36.



    2) 120 10



    3) 22 11 . .



    4) 9

    ∏ 3


  2. #2
      Eiman
    Jul 2011
    -
    14,750

    :


: 1 (0 1 )