Question

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Answer 1

Step-by-step explanation:

here, number of faces = 5

        number of edges = 8

        number of vertices = 5

now, Euler's formula = F + V − E = 2

                                  = 5 + 5 - 8 = 2

                                  = 10 - 8 = 2

                                  = 2 = 2

hence, it verified that it obey the Euler's formula.

hope it will help you.

Answer 2

Answer:

vertices : 5

faces:5

edges:8

Step-by-step explanation:

for verification see the above attachment

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