What is the name of the image window area that allows you to determine if a line is truly horizontal or vertical title bar menu bar ruler zoom

Ruler

Explanation:

A title bar is mainly located at the top of an application window. It mainly holds the application name and a few other information about the application. It could also provide special buttons for minimizing, maximizing, or closing the application. It does not determine if a line is truly horizontal or vertical.

A menu bar contains essential functions in an application such as opening, creating, editing and closing a file. It does not determine if a line is truly horizontal or vertical.

A ruler enables users of programs to align elements - graphics, texts, tables e.t.c - on a page. It contains two sections - the horizontal and the vertical. So, it can help to determine whether or not a line is truly vertical or horizontal.

Zoom allows elements on a page to appear bigger or smaller. It does not determine if a line is truly horizontal or vertical.

The best answer to the question therefore is, a ruler.

Hope this helps!

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