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# In the figure above, y =

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Math Expert
Joined: 02 Sep 2009
Posts: 55274
In the figure above, y =  [#permalink]

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09 Aug 2017, 04:40
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Difficulty:

25% (medium)

Question Stats:

100% (00:23) correct 0% (00:00) wrong based on 26 sessions

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In the figure above, y =

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5

Attachment:

2017-08-09_1258_002.png [ 4.52 KiB | Viewed 637 times ]

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Re: In the figure above, y =  [#permalink]

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09 Aug 2017, 05:48
Applying Pythagoras theorm
4^2+3^2 = hyp^2
Sqrt(16+9) = hyp
Hyp = 5
As per the diagram hyp=2y+3y =5y
5y=5
Y=1

Ans is A

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Re: In the figure above, y =  [#permalink]

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09 Aug 2017, 05:49
(3y+2y)=sqrt(9+16) hence 5y=5 so y=1 answer A

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Re: In the figure above, y =  [#permalink]

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09 Aug 2017, 06:27
Bunuel wrote:

In the figure above, y =

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5

Attachment:
2017-08-09_1258_002.png

One should know the first few pythagorean triplets by heart.

The first one is 3-4-5. Since 2 sides are 3 and 4, the hypotenuse will be 5. Its total length is 5y so y = 1.

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Re: In the figure above, y =   [#permalink] 09 Aug 2017, 06:27
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# In the figure above, y =

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