Is "como se llama" or "como se llama usted?"
De que color son tus ojos?
If you're asking
Sus ojos son de color _
If saying what color is
Ana, por que gastes tanto dinero en joyas?
When a straight line standing on a straight line makes the adjacent angles equal to one another, each of the equal angles is right, and the straight line standing on the other is called a perpendicular to that on which it stands.
