Answer:
1.4
Step-by-step explanation:
start by subtracting 2.6 and 4 you'll get -1.4 dont mind the negative because it doesn't matter, and now you add 1.4 to each number and that's how you get the next number. like 1.4+5.4=6.8 and 1.4+6.8=8.2, and so on.
Answer: There are 6 vertices in the polyhedron
Step-by-step explanation:
V- E+ F= 2
V- 10+ 6= 2
V- 4 = 2
V=6
I think the 57 is an whole number.