Posted by Stephanie on .
If the radius of the two areas is 12in find the length of a chord of an arc of 45 degrees, 30 degrees and 60 degrees.
I really don't know what to do here! Please help!!

Geometry urgent! 
Steve,
Tuesday, February 12, 2013 at 11:15pm
what you can do is explain what "the two areas" are all about.