Geometery

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marmar29: Senior | Next Rank: 100 Posts; Posts: 61; Joined: Mon Feb 14, 2011 11:39 pm

by marmar29 » Tue Aug 23, 2011 6:31 am

hello
if a triangle has A (-6,7) b (1,3) , c ( -2 ,-7)
wht is the lenght of AB
A Squaare root 62
b) sq root 63
c) sq rooot 64
d) sq root 65
e ) sq rooot 66
i guess its e??

the same info for the lenght of CA
A- âˆš212
B- âˆš214
C- âˆš216
D- 100
E - 200

THANKS
thanks

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Source: Beat The GMAT — Problem Solving | Tue Aug 23, 2011 6:31 am

GmatKiss: Legendary Member; Posts: 2789; Joined: Tue Jul 26, 2011 12:19 amFollowed by: 43 members; Location: Chennai, India; Thanked: 206 times; GMAT Score:640

by GmatKiss » Tue Aug 23, 2011 7:25 am

marmar29 wrote:hello
if a triangle has A (-6,7) b (1,3) , c ( -2 ,-7)
wht is the lenght of AB
A Squaare root 62
b) sq root 63
c) sq rooot 64
d) sq root 65
e ) sq rooot 66
i guess its e??

the same info for the lenght of CA
A- âˆš212
B- âˆš214
C- âˆš216
D- 100
E - 200

THANKS
thanks

wht is the lenght of AB
[spoiler]d) sq root 65 [/spoiler]

the same info for the lenght of CA
[spoiler]A) âˆš212[/spoiler]

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