Asked by Michelle
Find the number of vertices in a polyhedron if it contains 20 triangular faces and 12 pentagonal faces.
a. 30
b. 32
c. 60
d. 120
* Also please show me how you got your answer, thanks
a. 30
b. 32
c. 60
d. 120
* Also please show me how you got your answer, thanks
Answers
Answered by
Steve
Recall Euler's Formula:
V+F-E=2
and check out
https://en.wikipedia.org/wiki/Icosidodecahedron
V+F-E=2
and check out
https://en.wikipedia.org/wiki/Icosidodecahedron
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