thankyou! this is really helpful -i just need to remember them now! ooft! :)

thanks :) you saved me the trouble of gathering all the formulas together

wow thx a alot ... :D

May i ask what the arch length of a cirle is ? How do i do it?

what is the 0.360 bit? is that literally 0.360?

Thank you very very much!

lewisfoskett wrote:

in reply to your question...although it is probably too late

0 is the angle you choose to put in to the calculater...eg. 60 

it is like x any number.

360 is the denominator of the fraction 

eg 60 divided by 360 x 2 pi Radius.