Question

Calculate the m EBA , given m DA = 112° and m EFA = 248°.

Answer 1

Same as last time. Subtract the inside arc measure from the outside arc measure, and halve it.

Answer 2

ok :) can do that, i dont know the formulas and i forgot my textbook in my locker

Answer 3

http://www.regentsprep.org/Regents/math/geometry/GP15/CircleAngles.htm Handy dandy website I'm pulling them from. I can't remember any of these chord/tangent/secant formulas for my life lol

Answer 4

thanks for being such a help @tomhue this sucks when you forget the book in school :)