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The perimeter of equilateral triangle T is equal to the per

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The perimeter of equilateral triangle T is equal to the per [#permalink] New post   10 Nov 2020, 04:06
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The perimeter of equilateral triangle T is equal to the perimeter of the rectangle above.


Quantity A
Quantity B
The length of a side of T
x+4




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.

Source: 320 GRE Math Questions
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Re: The perimeter of equilateral triangle T is equal to the per [#permalink] New post   11 Nov 2020, 12:35
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Plug in the equation

3a = 2(x + 7 + x - 1)
3a = 2(2x + 6)
3a = 4(x+3)
a = T = 4/3(x +3)
so T = 4/3x + 4
so A is answer
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Re: The perimeter of equilateral triangle T is equal to the per [#permalink]
11 Nov 2020, 12:35
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