Many houses in the downtown area had unique architectural features. The homes with the sharp-angled rooflines stood out, creating some excitement and energy in the older neighborhood. These angled rooflines illustrate what line type?
O A diagonal
OB. horizontal
OC vertical
OD. curved

A. diagonal

Explanation:

The question above is related to "Interior Design." There are many different kinds of lines that are being used such as the following: horizontal lines, vertical lines, diagonal lines, curved lines, flowing lines and busy lines. When it comes to angular stability, the "diagonal lines" are being used. This allows the rooflines to stand out because it always look stimulated than all the other lines. However, it is important not to use many of these lines to prevent over-excitement or over-stimulation.