how to find the value

b1k1m1 · #1 Dec 4, 2006, 03:46 PM

How to find out the value of n

a = 180(n - 2)
------------
n

Please, send step to solve this problem

Thanks

Saurabh

erik7960 · Dec 4, 2006, 04:14 PM

n= a/180+2

asterisk_man · Dec 5, 2006, 12:19 PM

a=180(n-2)/n
multiply both sides by n
an=180n-360
collect the terms that contain n on the left
an-180n=-360
factor out an n on the left
n(a-180)=-360
divide both sides by a-180
n=-360/(a-180)

so i got a different answer than erik but i admit that i'm half asleep at the moment.



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