'''Arch''' could be see as a curve with the ends down and the middle up.
'''Arch''' could be see as a curve with the ends down and the middle up.
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In [[Architecture]] arch is defined as a curved masonry construction, it is mainly used as a passageway, gateway, or for supporting the weight above it.
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In [[Architecture]] arch is defined as a curved masonry construction; it is mainly used as a passageway, gateway, or for supporting the weight above it.
[[Image:Arc de Triomphe France.jpg|thumb|left|Arc de Triomphe, [[Paris]], France]]
[[Image:Arc de Triomphe France.jpg|thumb|left|Arc de Triomphe, [[Paris]], France]]