Question

6. Verity Euler's formula for these solids.
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Answer 1

Answer:

Euler's formula says,

F+V−E=2

i) F=7

V=10

E=15

So, F+V−E=2

ii) F=9

V=9

E=16

So, F+V−E=2

Hence, verified.

Answer 2

Euler's formula says:

F+v=E=2

1)F=7

V=10

E=15

so,F+v-E=2

2)F=9

V=9

E=16

so,F+V-E=2

Hence, verified

I hope it's helpful

Thank you