A dome is generated by rotating ________ 360 degrees about a ...

[corkyiscool3328]

A dome is generated by rotating ________ 360 degrees about a vertical central axis.
 
  A. a pier
  B. an arch
  C. a capital
  D. a portico
  E. a vault

Question 2

A ________ is a horizontal form supported at only one end.
 
  A. cornice
  B. keystone
  C. pendentive
  D. flying buttress
  E. cantilever

[vkodali]

Answer to Question 1

B
The stresses in a dome are much like those of an arch, except that they are spread in a circle around the dome's perimeter.

Answer to Question 2

E
A cantilever is a type of projecting form supported at only one end. Frank Lloyd Wright was among one of the first architects to use the cantilever for domestic architecture.