Check my answers? 15 points to whomever answers.

1. How many edges does a convex polyhedron have if it has 12 vertices and 20 faces?
   

38

34

30 <-

28

1. What is the euler characteristic of a polyhedron that has 12 vertices, 12 faces and 30 edges?
   

-6

2 <-

20

30

1. How many points are on a taxicab circle with radius 3?
   

12 <-

10

16

18

1. What is the taxidistance between A(1,5) and B(6,2)?
   

14

2

1

8 <-

1. Which shapes are topologically equivalent to choice 2 (see image below)?
   

1 and 4 only

1,2 and 4

2 and 4 only

none <-