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A simple question

by hpla
Tags: simple
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hpla
#1
Mar2-13, 02:48 AM
P: 11
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,
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SteamKing
#2
Mar2-13, 03:51 AM
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PF Gold
P: 6,475
It looks like a series proportion to me. D and p are each 4 times the value of d.
hpla
#3
Mar2-13, 03:58 AM
P: 11
Thank you for your response .. u mean

D= 4d P=4d

SteamKing
#4
Mar2-13, 07:07 AM
Emeritus
Sci Advisor
HW Helper
Thanks
PF Gold
P: 6,475
A simple question

Yes.


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