Answer:
i think they work harder than most
Explanation:
<span>I believe the correct answer an arch.</span>
The resulting architectural form of dome, a rounded
vault forming the roof of a building or structure, is generated by rotating an
arch 360 degrees about a vertical central axis. Dome, in the modern world, is
usually found over religious buildings, legislative chambers, sports stadiums,
and a variety of functional structures.
im sorry but what do you mean by lines?
