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500 ps test23 #9

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by Cybermusings » Tue Apr 17, 2007 11:43 am
The answer to this question becomes fairly simple if you perceive the straight distance between the 2 points (the diagonal distance), as the hypotenuese of a triangle.

Since the length of each block along the E-W axis is 400 (and there are 2 such blocks). The length of one side of the Triangle becomes 400*2 = 800

Since the length of each block along the N-S axis is 200 (and there are 3 such blocks), the length of the other side becomes 200*3 = 600

Hence length of XY = sqr rt (400^2+600^2)
=Sqr rt of 1000,000
=1000
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by dunkin77 » Tue Apr 17, 2007 12:08 pm
Thank you! :D

I think I miunderstood the question....I thought 400 feet was the total length of width ,but as you explained it indicate "one block" of road.
:oops:
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