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can someone please help with the diagram

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by AJWILL » Sat Aug 04, 2012 5:45 am
On a map, Town A is 4 centimeters North of town B.Town C is 3 centimeters west of town B and 3 centimeters north of town D.Town D is 21 centimeters east of town E.Which of the following is the straight-line distance in centimeters, between town A and town E on the map?
[A] 24
26
[C] 27
[D] 28
[E] 25
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by truplayer256 » Sat Aug 04, 2012 7:19 am
EDIT:

Brent has the right way of solving it. I misinterpreted the question.. You do take it as one big right triangle and from that, come up with an answer.
Last edited by truplayer256 on Sat Aug 04, 2012 7:41 am, edited 1 time in total.
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by Brent@GMATPrepNow » Sat Aug 04, 2012 7:23 am
AJWILL wrote:On a map, Town A is 4 centimeters North of town B.Town C is 3 centimeters west of town B and 3 centimeters north of town D.Town D is 21 centimeters east of town E.Which of the following is the straight-line distance in centimeters, between town A and town E on the map?
[A] 24
26
[C] 27
[D] 28
[E] 25

I suggest that you draw the diagram, and then see the large, right triangle "hiding" inside the diagram.



Cheers,
Brent
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by eagleeye » Sat Aug 04, 2012 7:33 am
AJWILL wrote:On a map, Town A is 4 centimeters North of town B.Town C is 3 centimeters west of town B and 3 centimeters north of town D.Town D is 21 centimeters east of town E.Which of the following is the straight-line distance in centimeters, between town A and town E on the map?
[A] 24
26
[C] 27
[D] 28
[E] 25


See the self-explanatory diagram attached.

Answer is E.
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