<span>Formula : V + F – E = 2
where V = number if vertices, F = number of faces and E = number of edges
<u>Question a:</u>
V + F - E = 2
V = 2 - F + E
V = 2 - 12 + 18
V = 8
(a) </span><span>12 faces, 18 edges, <u>8</u> vertices
<u>Question b:</u>
</span>V + F - E = 2
<span>E = V+ F - 2
E = 14 + 8 - 2
E = 20
(b) </span><span>8 faces, <u>20</u> edges, 14 vertices</span>
Answer:
4
Step-by-step explanation:
because if you divide 60 by four you get fifteen which is the number of segments that is divisible by 60 because if you divde 60 by anything else you wont get the perfect divisible.
I think its D I’m sorry if I’m incorrect
The answer to your question, would be 7x + 10.
Hopefully this helps!