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# The lengths of two sides in a right-angle triangle are 6 cm and 8 cm.

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Retired Moderator
Joined: 27 Oct 2017
Posts: 1245
Location: India
GPA: 3.64
WE: Business Development (Energy and Utilities)
The lengths of two sides in a right-angle triangle are 6 cm and 8 cm.  [#permalink]

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01 Aug 2019, 02:21
2
00:00

Difficulty:

65% (hard)

Question Stats:

21% (01:13) correct 79% (00:49) wrong based on 28 sessions

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The lengths of two sides in a right-angle triangle are 6 cm and 8 cm. If this right-angle triangle is inscribed in a circle, then what is the area of the circle?
A. cannot be determined
B. 10 pi
C. 15 pi
D. 20 pi
E. 25 pi

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Intern
Joined: 13 Jul 2019
Posts: 16
Re: The lengths of two sides in a right-angle triangle are 6 cm and 8 cm.  [#permalink]

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01 Aug 2019, 22:55
Hi,

This problem could have been solved, if we knew that the sides 6 and 8 are the legs of the right angled triangle. But, since that is is not mentioned, the answer can not be determined.

This answer is very rare on the GMAT.
Retired Moderator
Joined: 27 Oct 2017
Posts: 1245
Location: India
GPA: 3.64
WE: Business Development (Energy and Utilities)
Re: The lengths of two sides in a right-angle triangle are 6 cm and 8 cm.  [#permalink]

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01 Aug 2019, 23:02
Hi
You are right that "Can not be determined" option is generally not correct in PS Question, But we must be aware that it can be correct also. So We must read all the options with an open mind.

DeeptiManyaExpert wrote:
Hi,

This problem could have been solved, if we knew that the sides 6 and 8 are the legs of the right angled triangle. But, since that is is not mentioned, the answer can not be determined.

This answer is very rare on the GMAT.

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Intern
Joined: 13 Jul 2019
Posts: 16
The lengths of two sides in a right-angle triangle are 6 cm and 8 cm.  [#permalink]

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01 Aug 2019, 23:08
gmatbusters

Yes, that's the whole point. Double-check all the info before you pick this answer.
Manager
Joined: 31 Dec 2017
Posts: 78
Re: The lengths of two sides in a right-angle triangle are 6 cm and 8 cm.  [#permalink]

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02 Aug 2019, 05:53
Hi,

I'm wondering how we can determine the area of a circle equals to 10pi?
Director
Joined: 27 May 2012
Posts: 840
The lengths of two sides in a right-angle triangle are 6 cm and 8 cm.  [#permalink]

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02 Aug 2019, 07:18
DarleneTran wrote:
Hi,

I'm wondering how we can determine the area of a circle equals to 10pi?

Hi DarleneTran,
Its NOT 10$$\pi$$ its " Cannot be determined ", you probably got confused with option B.
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The lengths of two sides in a right-angle triangle are 6 cm and 8 cm.   [#permalink] 02 Aug 2019, 07:18
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