Question

can anyone help me please!!??

For each polyhedron, use Euler’s Formula to find the missing number.
4. Faces: 9 Edges: Vertices: 14

6. Faces: Edges: 24 Vertices: 16

Answer 1

i always have to try a square to remember it .... theres a 2 in there as well

Answer 2

F+V=E+2 ... simple math

Answer 3

so number 4 has 25 edges?

Answer 4

9+14 = E + 2

9+12 + 2 = E + 2

E = 9+12, id say 21 edges