Question

Please help! Will fan and medal! (attachment in comments)

Answer 1

You have formulas for each of these. Please look them up and show how to use them.

=

= (a+b)/2

= (a-b)/2

In no particular order.

Find the formulas!

Answer 2

I'm kind of confused because I've never even been taught to solve this type of problem so I have no idea where to start?

Answer 3

Here are the formulas
http://www.regentsprep.org/Regents/math/geometry/GP15/CircleAngles.htm

Answer 4

If you have time, here is a video on inscribed and central angles
http://www.khanacademy.org/math/geometry/cc-geometry-circles/central-inscribed-circumscribed/v/inscribed-and-central-angles

Answer 5

@phi Thank you so much!