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Area of triangle

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Source: — Data Sufficiency |
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by HSPA » Tue Apr 12, 2011 4:26 am
Two options using A and B : 10,10, 12 or 12,12,10

area = sqrt( s * s-a * s-b *s-c) , s = a+b+c / 2;


E it shall be
First take: 640 (50M, 27V) - RC needs 300% improvement
Second take: coming soon..
Regards,
HSPA.
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by Anurag@Gurome » Tue Apr 12, 2011 4:30 am
srcc25anu wrote:What is the area of triangle ABC?
(1) Triangle ABC is isosceles.
(2) AB= 10 and BC = 12
(1) Triangle ABC is isosceles does not give us the area of triangle ABC. So, (1) is NOT SUFFICIENT.

(2) We are given the length of 2 sides of triangle ABC. But again this is NOT SUFFICIENT.

Combining (1) and (2), we don't whether AC = 10 or 12. So, again combining is NOT SUFFICIENT to answer the question.

The correct answer is E.
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