anonymous
  • anonymous
need help. Can anyone help?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Ask away :)
anonymous
  • anonymous
Do you know Euler's Formula?
anonymous
  • anonymous
Not familiar with it, sorry.

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kirbykirby
  • kirbykirby
I do
anonymous
  • anonymous
You do! E-F+V=2?
kirbykirby
  • kirbykirby
Oh that one. Oh well this one too lol :)
kirbykirby
  • kirbykirby
it's not F+V-E = 2?
anonymous
  • anonymous
Ok here is my question. First, how do I thank you for your help? Second, what is the sum of the number of vertice, edges, ad faces of a dodecahedron?
kirbykirby
  • kirbykirby
Ok well the prefix "dodeca" is telling 12, so it's a polyhedron with 12 faces (F)
anonymous
  • anonymous
Right. But what about the other 2 parts?
kirbykirby
  • kirbykirby
Well you can try counting how many vertices there would be, in this case there are 20
anonymous
  • anonymous
I'm sure there is a systematic way :( Thanks for your help though
kirbykirby
  • kirbykirby
From there you can use the formula to find out how many edges you have F+V-E = 2 12+20-E=2 32-E=2 30 = E

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