Let the acute angle between X and Y be α, Y and Z be β, then the angle between X and Z is (2π-α-β).
Then the angle between X and Z is (2π-α-β). Let the acute angle between X and Y be α, Y and Z be β.
Let the acute angle between X and Y be α, Y and Z be β. Then the angle between X and Z is (2π-α-β).
Let the acute angle between X and Y be α, Y and Z be β. Then the angle between X and Z is (2π-α-β).