Chapter 1.1, Problem 3PSA

To determine

To Find: Whether the given ray can be named as $\overrightarrow{XY}$ ?

Answer to Problem 3PSA

No, the given ray cannot be named as $\overrightarrow{XY}$ .

Explanation of Solution

Given information:

Here, we have a ray having one starting point as Y.

  

Calculation:

Since, the ray is named by its location of starting and ending point.

Here, the given ray have the starting point Y and ending point X, hence the ray is named as ray YX denoted by $\overrightarrow{YX}$ but not as $\overrightarrow{XY}$ .