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AB vs BC

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AB vs BC [#permalink]  09 Oct 2017, 02:46
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Attachment:

angles.jpg [ 9.25 KiB | Viewed 89 times ]

 Quantity A Quantity B AB BC

A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Re: AB vs BC [#permalink]  09 Oct 2017, 03:59
Carcass wrote:

Attachment:
angles.jpg

 Quantity A Quantity B AB BC

A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.

Here angle ACB = 180 -120 = 60 degree

Now angle ABC = 180 - (60+60) = 60 degree

Therefore\triangleABC = equilateral triangle and all sides are equal.

Hence option C
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Re: AB vs BC [#permalink]  09 Oct 2017, 06:38
Angle ACB is 180-120 = 60°. Sides length is proportional to angle measures meaning that the longest side corresponds to the largest angle.

Now, since angle ACB and BAC are equal, also the correspondent sides will be equal.

Then, AB = BC and answer is C!
Re: AB vs BC   [#permalink] 09 Oct 2017, 06:38
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