grant10589 grant10589

15-04-2020
Mathematics

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For the polyhedron, use Euler's Formula to find the missing number.
faces
edges: 8
vertices: 5

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jimrgrant1 jimrgrant1

15-04-2020

Answer:

5 faces

Step-by-step explanation:

Euler's formula for polyhedra states that

F + V - E = 2 ( F is faces, V is vertices and E is edges ), thus

F + 5 - 8 = 2, that is

F - 3 = 2 ( add 3 to both sides )

F = 5

Thus number of faces is 5

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