Make: Geometry

If you want to learn more about Albrecht Dũrer, his art, and his ideas about

geometry, the Metropolitan Museum of Art in New York City has some of his

engravings on their site (www.metmuseum.org) including Melencolia. We

have talked a lot about ancient Greece in our explorations to this point in the

book because they discovered so many of the basic ideas. However, in the

Renaissance art and engineering overlapped often (for example, with Leon-

ardo da Vinci) and we explore some of that in Chapter 13.

ANSWERS

CONE

If you doubled the radius, what would that do to the surface area?

The formula for the surface area of a cone is:

Surface area (original ...