brooklynrose55 brooklynrose55
  • 23-05-2018
  • Mathematics
contestada

Use Euler’s Formula to find the number of edges in a polyhedron with seven faces: two pentagons and five rectangles.

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calculista
calculista calculista
  • 11-06-2018
we know that

Euler's formula states that Number of Faces plus the Number of Vertices (corner points) minus the Number of Edges is always equals 2

F+V-E=2
in this problem
F=7
V=2*5+5*4---> 30-----> (two pentagons and five rectangles)
E=?
E=F+V-2
E=7+30-2
E=35

the answer is
the number of edges is 35
Answer Link
violinvocal126 violinvocal126
  • 28-03-2019

Answer:

I just took the quiz, it's C) 15

Step-by-step explanation:

Answer Link

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