juliana21
juliana21 juliana21
  • 01-03-2017
  • Mathematics
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word problem please help:)

word problem please help class=

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Аноним Аноним
  • 01-03-2017
7.2 km away from her starting point

hope I helped you:)
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fed
fed fed
  • 01-03-2017
Hi,
You have to find length of AB (See screen)
AB - is the hypotenuse of a right triangle ABC.
According to the Pythagorean theoremAB = [tex] \sqrt{BC^{2} + CA^{2}} [/tex]
BC = AD + EB = 1 + 5 =6
CA=ED = 4
AB = [tex] \sqrt{6^{2} + 4^{2}} [/tex] = [tex] \sqrt{36+ 16} [/tex] ≈ 7.2 
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