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Mathematics 8 Online
OpenStudy (elonasushchik):

Medal!!! ASAP!!!

OpenStudy (elonasushchik):

Find the perimeter of a quadrilateral with vertices at C (-1, 1), D (3, 4), E (6, 0), F (2, -3). Round your answer to the nearest hundredth when necessary.

OpenStudy (elonasushchik):

12 units, 16, 20 or 24 units is ur choice

OpenStudy (elonasushchik):

@ositan i need ur answer..

OpenStudy (ositan):

\[d=\sqrt{(x _{2}-x_{1})^2+(y _{2}-y_{1})^2}\] Use this formula and just plug in your vertices. CD, then DE, then EF, then FC. Get the lengths, add them together, and boom.

OpenStudy (elonasushchik):

So its B?

OpenStudy (elonasushchik):

@ositan

OpenStudy (ositan):

I haven't worked it out myself, but if that's what you come out with, then yes. Let me see...

OpenStudy (elonasushchik):

k

OpenStudy (ositan):

Funny; I got 20.

OpenStudy (ositan):

Unless that's B?

OpenStudy (elonasushchik):

lol tx!!!

OpenStudy (elonasushchik):

ya it was i just miss put them..

OpenStudy (ositan):

Alright then.

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