convert one to one ratio to angle.

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stacey
  • stacey

convert one to one ratio to angle.

Sat Mar 01, 2008 9:26 pm

i need to convert a one to one ratio to an angle, if this is even possible.
 
Guest
  • Guest

Re: convert one to one ratio to angle.

Mon Mar 03, 2008 10:33 pm

stacey wrote:i need to convert a one to one ratio to an angle, if this is even possible.


Whether it is possible or makes sense depends on what the ratio means. If it is a grade expressed as rise/run, it makes sense. If it is a mixing ratio of two ingredients, it doesn't.

For a grade, tan(angle) = rise /run,

angle = arctan(rise/run)
in the case of a 1:1 ratio, the answer is 45 °

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