Question

How many vertices does a convex polyhedron have if it has 14 faces and 24 edges?

10

12

11

8

My answer: 12

Answer 1

@mathmale

Answer 2

Isn't there a formula for this?

Answer 3

I believe it is V+F=E+2

Answer 4

https://plus.maths.org/content/eulers-polyhedron-formula

Answer 5

I just want to double check my answers

Answer 6

Correct.

Answer 7

Can you check a few more?

Answer 8

either that or

V-E+F = 2

but that's equivalent to what you wrote @rose4825

https://plus.maths.org/content/eulers-polyhedron-formula

Answer 9

What is the Euler characteristic of a polyhedron that has 12 vertices, 20 faces, and 30 edges?

22

12

8

2

My answer: 2

Answer 10

correct

Answer 11

I will open a new question :) so I can give other medals