what is a groin vault?\na. a groin vault is a structure that resembles the top half of a sphere.\nb. a groin…

what is a groin vault?\na. a groin vault is a structure that resembles the top half of a sphere.\nb. a groin vault comes from the extension of a round arch, similar to a long tube of arches.\nc. a groin vault has two barrel vaults of the same diameter which cross or intersect one another.\nd. a groin vault has two barrels which extrude into a two - dimensional structure.\nplease select the best answer from the choices provided\na\nb\nc\nd

what is a groin vault?\na. a groin vault is a structure that resembles the top half of a sphere.\nb. a groin vault comes from the extension of a round arch, similar to a long tube of arches.\nc. a groin vault has two barrel vaults of the same diameter which cross or intersect one another.\nd. a groin vault has two barrels which extrude into a two - dimensional structure.\nplease select the best answer from the choices provided\na\nb\nc\nd

Answer

Brief Explanations:

A groin vault is formed by the intersection of two barrel - vaults of the same diameter. Option a describes a dome, option b describes an arcade or a series of arches, and option d is an incorrect description.

Answer:

C. A groin vault has two barrel vaults of the same diameter which cross or intersect one another.