Question

Find "A"?

*Pic in comments

Answer 1

I came up with 17/2 or 8.5

Answer 2

If you go here, and look at #5, the first example you find the formula you're looking for
http://www.regentsprep.org/Regents/math/geometry/GP15/CircleAngles.htm

Answer 3

Angle Formed Outside = (Difference of Intercepted Arcs)/2

Answer 4

I got the same answer ,17 over 2

Answer 5

thanks

Answer 6

17/2 isnt the right answer

Answer 7

first find this arc which is 360-255=105