Question

3. A solid has twelve more edges than faces. How many vertices does it have?

Answer 1

14

Explanation:

Faces= F, Vertices= V and Edges= E

Here,

we have: E = F+12

Now, according to Euler's Formula:

V-E+F=2

V-(F+12)+F=2

V-F-12+F=2

V-12=2

V=14