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Based on the information in the figure above, how many kilom

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Based on the information in the figure above, how many kilom [#permalink] New post 15 Mar 2018, 20:38
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Based on the information in the figure, how many kilometers shorter would the travel distance be if someone went from point X directly to point Y, rather than going from point X to point Z and then from point Z to point Y?

A)0
B)1
C)2
D)5
E)7
[Reveal] Spoiler: OA

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Re: Based on the information in the figure above, how many kilom [#permalink] New post 16 Mar 2018, 21:21
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This is a classic example of a \(3-4-5\) right angle triangle
The hypotenus is 5. If you use the Pythagoras theorem you will end up with hypotenus as \(5\)

At this point it is simple addition. x to y \(= 5\)
X to Z and from Z to Y = \(3+4 = 7\)
Hence \(7-5 =2\) is the difference in travelling from x to z and then to Y rather than going directly to y from x
option c
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This is my response to the question and may be incorrect. Feel free to rectify any mistakes

Re: Based on the information in the figure above, how many kilom   [#permalink] 16 Mar 2018, 21:21
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Based on the information in the figure above, how many kilom

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