1. In 4.6: The Shape of Reality? a saddle was an example of what kind of geometry?
   a) Euclidean (flat)
   b) spherical
   c) hyperbolic
   d) more than one of the above
   e) none of the above
   
   
   
   
2. Does Carl Friedrich Gauss's mountain peak experiment to measure the angle sum prove that the universe is flat?
   a) Yes and I have a good reason why
   b) Yes but I am unsure of why
   c) No but I am unsure of why not
   d) No and I have a good reason why not