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An arch is a two-dimensional structure that allows weight to be efficiently distributed to the ends of a structural span. it is a simple curve in shape with the ends lower than the middle.

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Why were arches used?

Arches are structures that can support structures such as buildings, railway tracks, canals, etc, yet still allow a passageway for ground-level access to pass through the arches. Railways and canals use viaducts (supported on arches) to cross valleys while keeping on the same level.


Types of fingerprints?

There is three types of fingerprints. Loops,Whorls,And Arches. Loops-30% Whorls-65% Arches-5%


What were the use of arches?

In architecture, arches provided solid support for pathways and tunnels. Because arches distributed the weight placed on top of them much more eavenly than just a single beam, they have also been extensively used in buildings.


What are the 4 foot arches?

The four foot arches refer to the structures that help maintain the foot's shape and support weight during standing and movement. These include the medial longitudinal arch, lateral longitudinal arch, anterior transverse arch, and posterior transverse arch. The medial and lateral longitudinal arches run from the heel to the toes, while the transverse arches span across the foot. Together, these arches distribute body weight and absorb shock, contributing to overall foot function and stability.


What are the 3 basic types of fingerprints and their subcategories?

The three basic types of fingerprints are loops, whorls, and arches. Loops can be further categorized into radial loops and ulnar loops, depending on the direction they flow. Whorls can be classified into plain whorls, central pocket loops, double loops, and accidental whorls. Arches are divided into plain arches and tented arches, characterized by their distinct ridge patterns.