Question

Use Euler’s Formula to find the missing number.
Faces: 23
Vertices: 10
Look for the edges!
a.
31
b.
34
c.
30
d.
32

Answer 1

Please help me with this one Use Euler’s Formula to solve.

A polyhedron with 12 vertices and 30 edges has how many faces?
a.
10
c.
20
b.
15
d.
25

Answer 2

Euler's formula is V-E+F = 2

Answer 3

for the first one, F = 23, V = 10, E = unknown