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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
07 Feb 2007
Posted:
144 messages

gmat q

Post Wed Mar 07, 2007 3:24 pm
(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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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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ksemya1 Newbie | Next Rank: 10 Posts Default Avatar
Joined
06 Mar 2007
Posted:
1 messages
Top Reply
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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GMAT/MBA Expert

Stacey Koprince GMAT Instructor
Joined
27 Dec 2006
Posted:
2228 messages
Followed by:
680 members
Upvotes:
639
GMAT Score:
780
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!

_________________
Please note: I do not use the Private Messaging system! I will not see any PMs that you send to me!!

Stacey Koprince
GMAT Instructor
Director of Online Community
Manhattan GMAT

Contributor to Beat The GMAT!

Learn more about me

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Free Manhattan Prep online events - The first class of every online Manhattan Prep course is free. Classes start every week.
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.

  • +1 Upvote Post
  • Quote
  • Flag

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