In standard position, if ray $OX$ is the initial side and ray $OZ$ is the terminal side, what is the name of the angle formed by these two rays?

• A. $\angle ZOX$
• B. $\angle OZX$
• C. $\angle OXZ$
• D. $\angle XOZ$

Answer: (D)

Verified step by step guidance

1. Understand that an angle in standard position has its vertex at the origin point O, with the initial side along ray OX and the terminal side along ray OZ.
2. Recall that the name of an angle is written with three points: the first point on one ray, the vertex point in the middle, and the last point on the other ray.
3. Identify the vertex of the angle, which is point O, since both rays OX and OZ meet there.
4. Determine the order of points to name the angle correctly: start from a point on the initial side (X), then the vertex (O), and finally a point on the terminal side (Z).
5. Write the angle name as \(\angle X O Z\), which correctly represents the angle formed by rays OX and OZ with vertex O.