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gmat q

This topic has 1 expert reply and 3 member replies
yvonne12 Master | Next Rank: 500 Posts Default Avatar
Joined
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Posted:
144 messages

gmat q

Post Wed Mar 07, 2007 3:24 pm
Elapsed Time: 00:00
  • Lap #[LAPCOUNT] ([LAPTIME])
    (quilateral triangle and square image)

    if the 2 regions above have the same area. what is the ratio t:s?

    2:3
    16:3
    4:radical 3
    2:4^radical3

    plese explain

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    ssiva Junior | Next Rank: 30 Posts Default Avatar
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    Post Wed Mar 07, 2007 4:09 pm
    What is t? is it the height of the triangle?

    yvonne12 Master | Next Rank: 500 Posts Default Avatar
    Joined
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    Posted:
    144 messages
    Post Wed Mar 07, 2007 9:09 pm
    T:S is the ratio of the area between the triangle and the square.

    THE "t" is the length of the triangle and the "s" stands for the sides of the square.

    ksemya1 Newbie | Next Rank: 10 Posts Default Avatar
    Joined
    06 Mar 2007
    Posted:
    1 messages
    Post Thu Mar 08, 2007 6:00 am
    quilateral triangle and square image)

    if the 2 regions above have the same area. what is the ratio t:s?

    2:3
    16:3
    4:radical 3
    2:4^radical3

    plese explain
    ...........
    area (T)=sq root (3)/4* (a1)^2,a1= triangle side.
    area(sq.)= (a2)^2, a2 = side of sq.
    area(T)=Area(sq)
    so,
    sq root(3)/4*(a1)=(a2)^2.
    hence, a1/a2=2:4^radical3.

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    Stacey Koprince GMAT Instructor
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    Post Sun Mar 11, 2007 10:32 pm
    Hi, Yvonne

    When posting questions, please post the entire text and answer choices. In addition, please post the source of the question.

    Thanks!

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