A simple question

  1. hey >>>

    i want to Calculate this area Equation :

    A= pi *(D^2*d^2)*p*n*k

    n= 0.5
    k=0.4

    but the Valuable of ( D-d-p) given like this :

    D:d:p
    4 1 4

    My question is :

    i dont understand Valuable of ( D-d-p)

    is it Number or proportion ... just can any one make it clear to me

    Please, Please, Please,
     
  2. jcsd
  3. SteamKing

    SteamKing 9,942
    Staff Emeritus
    Science Advisor
    Homework Helper

    It looks like a series proportion to me. D and p are each 4 times the value of d.
     
  4. Thank you for your response .. u mean

    D= 4d P=4d
     
  5. SteamKing

    SteamKing 9,942
    Staff Emeritus
    Science Advisor
    Homework Helper

    Yes.
     
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