Answered

The center of which architectural structure is called a keystone?
O Post and Lintel
O Bearing wall
O Arch
O Cantilever



Answer :

GinnyAnswer

Final answer:

In architecture, the keystone is the central stone of an arch that holds the structure together without mortar, ensuring stability and strength.


Explanation:

In architecture, the center of an arch is called a keystone. The keystone is a wedge-shaped stone at the apex of an arch that holds all the other voussoirs in place, allowing the arch to bear weight without needing mortar. This architectural feature provides stability and strength to structures like aqueducts and doorways.


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