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D01-35

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Intern
Joined: 03 Sep 2017
Posts: 14

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12 Aug 2018, 15:15
Bunuel wrote:
nrisbood wrote:
Bunuel: Doesn't a square have the least perimeter among all quadrilaterals? Why does this question choose a circle in order to minimize the perimeter?

Have you read this post: https://gmatclub.com/forum/d01-183496-20.html#p2066045 ?

Thanks!
Intern
Joined: 14 Dec 2017
Posts: 3

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15 Sep 2018, 17:12
I think this is a poor-quality question and I agree with explanation.
Intern
Joined: 13 Nov 2018
Posts: 34
Location: United States
Schools: Tepper '21 (I)
GMAT 1: 650 Q39 V40
GMAT 2: 660 Q44 V37
GPA: 2.99

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26 Nov 2018, 10:09
I read this question 5 times before I realized it wanted a circle with an area of 154.

SOOOO tricky.
Intern
Joined: 22 Jun 2012
Posts: 1

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01 Feb 2019, 09:04
Bunuel wrote:
daraepark88 wrote:
I think this is a high-quality question and the explanation isn't clear enough, please elaborate. Why pai is 22/7?

$$\pi = 3.1415...$$ and 22/7 = 3.142..., and since we need only approximate value we can use 22/7 instead of $$\pi$$ to simplify calculations.

One would need to remember that 22/7 is the approximate value of 3.14.. That's where I went wrong.
Re: D01-35   [#permalink] 01 Feb 2019, 09:04

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D01-35

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