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Questions for Discussion: Triangles and Arches in Architecture

  • Why are triangles and arches strong? How do they go together? Why would you use them when designing a building?
  • Where are the triangles and arches in each of these images? How do the triangles and arches work in each case?
  • Where are the pushes and pulls (compression and tension) in each of these structures?
  • When do multiple arches or triangles need to be used in the design of something?