Author Question: A hemispherical structure that can be understood as an arch rotated 180 degrees on its axis is a(n) ... (Read 53 times)

biggirl4568

  • Hero Member
  • *****
  • Posts: 551
A hemispherical structure that can be understood as an arch rotated 180 degrees on its axis is a(n) ____________.
 
  what is it please?

Question 2

____________ is a wooden support structure upon which arches and vaults are constructed.
 
  help needed on this one


Qarqy

  • Sr. Member
  • ****
  • Posts: 313
Answer to Question 1

Answer: dome

Answer to Question 2

Answer: Centering



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

For a complete list of videos, visit our video library