Question

Use Euler's formula to find the missing number

vertices 22
edges 34
faces?
a.10
b.12
c.14
d.16

Answer 1

Surface Area and Volume Unit Test

1. 14

2. hexagon

3. 224 m2

4. 896 pi in.2

5. 405 in.2

6. 49,009 m2

7. 4,910.4 yd3

8. 3.6 in

9. 4,608 cm3

10. 1,296 cm3

11. 1,442.0 yd3

12. 2,158 m2

13. no

14. 7 : 10

15. 100 m2

16. one-point perspective

17. 18.3 cm

Answer 2

Euler's formula is given by:
C + V = A + 2
Where,
C = Number of faces
V = Number of vertices
A = Number of edges
Substituting values we have:
C + 22 = 34 + 2
Clearing C we have:
C = 34 + 2-22
C = 14
Answer:
c.14