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Mathematics 21 Online
OpenStudy (anonymous):

please need help

OpenStudy (anonymous):

Yes?

OpenStudy (anonymous):

i need to know how many edges this has

OpenStudy (anonymous):

im not sure how to do it

OpenStudy (anonymous):

24 edges

OpenStudy (anonymous):

how did you see that

OpenStudy (anonymous):

You just have to visualize it. Or you could find the number of faces and vertices to find edges using Euler's formula F + V = E + 2

OpenStudy (anonymous):

It's an octagonal prism.

OpenStudy (anonymous):

oh okay thank you

OpenStudy (anonymous):

you're welcome.

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