geometry
posted by terri .
Given: BD is a diameter m 1 = 100°m BC = 30°
m 2 = ?degrees
Given: BD is a diameter m 1 = 100°m BC = 30°
m 3 = ? degrees
Given: BD is a diameter m 1 = 100°m BC = 30°
m 4 =? degrees
Given: BD is a diameterm 1 = 100°m BC = 30°
m AD = ?degrees
Given: BD is a diameter m 1 = 100°m BC = 30°
m CAB = ? degrees
Given: BD is a diameter m 1 = 100°m BC = 30°
m DAB = ? degrees
Given: BD is a diameter m 1 = 100°m BC = 30°
m ADB = ? degrees

I have no idea what BD and BC signify. I assume that m signifies meters and º indicates degrees, but it is unclear how they go together.
If you want to designate exponents online, use "^", x^2 = x squared.