Question

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

Answer 1

One second, I'm trying to find the equation to solve that.

Answer 2

Okay, Thanks!

Answer 3

F + V - E = 2

Answer 4

yes, the only thing I understand is how to subtract and add the numbers to eachother

Answer 5

20 + 12 - E = 2

Answer 6

Combine like terms.

Answer 7

Okay. However, is the equation correct? I read that it is V-E+F

Answer 8

That's the same thing.

Answer 9

Okay. is the answer 16 then?

Answer 10

or 32?

Answer 11

20 + 12 - E = 2
32 - E = 2

Answer 12

Okay so the final answer is 32 then?

Answer 13

No, 32 - E = 2.

Answer 14

Think of it like 32 - ? = 2

Answer 15

oh okay! That clears it up. so 30 is the final answer. Thanks!

Answer 16

lol that was weird

Answer 17

Do you have time for another question?

Answer 18

You are right, it made me repost

Answer 19

Sure, but post it as a new question.

Answer 20

Okay