Asked by CarpeDiem
Mario’s company makes unusually shaped imitation gemstones. One gemstone had 12 faces and 10 vertices. How many edges did the gemstone have?
A. 23 edges
B. 22 edges
C. 25 edges
D. 20 edges****
A. 23 edges
B. 22 edges
C. 25 edges
D. 20 edges****
Answers
Answered by
Jessie
You are correct, it is D
F = 12, V = 10
V - E + F = 2
10 - E + 12 = 2
-E + 22 = 2
-E = -20
E = 20
F = 12, V = 10
V - E + F = 2
10 - E + 12 = 2
-E + 22 = 2
-E = -20
E = 20
Answered by
CarpeDiem
Thank you
Answered by
MyNameJeff
thanks for the help