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m22 #25

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SVP
Joined: 30 Apr 2008
Posts: 1867

Kudos [?]: 615 [1], given: 32

Location: Oklahoma City
Schools: Hard Knocks

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21 Oct 2009, 23:30
1
KUDOS
I have a problem with this question.

If a circle is inscribed in a square, what is the ratio of the diagonal of the square to the radius of the circle?

a) $$\frac{1}{2}$$
b) $$\frac{1}{\sqrt{2}}$$
c) $$\sqrt{2}$$
d) 2
e) $$\sqrt{8}$$

The correct answer should be $$2\sqrt{2}$$, but the test lists it as $$\sqrt{8}$$. Answers on the GMAT are supposed to be in the simplest version. You'd never have an answer of 4/8, it would always reduce down to 1/2. Same thing for radicals. If you can break it down more, that's the answer.

$$\sqrt{8}$$ breaks down into $$\sqrt{4}*\sqrt{2} = 2\sqrt{2}$$

I think answer E needs to be rewritten to show the simplest answer.
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**I'm pretty sure I'm right, but then again, I'm just a guy with his head up his a.

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Kudos [?]: 615 [1], given: 32

CIO
Joined: 02 Oct 2007
Posts: 1218

Kudos [?]: 978 [0], given: 334

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22 Oct 2009, 00:21
I see. I'll edit the question. Thank you! +1.

EDIT: Done.
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Kudos [?]: 978 [0], given: 334

Re: m22 #25   [#permalink] 22 Oct 2009, 00:21
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m22 #25

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