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anonymous

  • 4 years ago

A camping team started from location G and returned to the same camp walking through camps H, I, and J. What is the total distance the team walked? ( on the rectangle GCJI, side G-J is 8 km and a line going through the rectangle is 17 km)

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  1. jagatuba
    • 4 years ago
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    Draw the diagram. It will be easier for people to visualize. And you'll get a faster answer.

  2. anonymous
    • 4 years ago
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    ok hold on

  3. anonymous
    • 4 years ago
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    |dw:1327194699374:dw|

  4. jagatuba
    • 4 years ago
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    |dw:1327195074740:dw|

  5. jagatuba
    • 4 years ago
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    First figure out A

  6. anonymous
    • 4 years ago
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    ok, um 45 degrees

  7. jagatuba
    • 4 years ago
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    \[\sin A=\frac{opposite leg}{hypotenuse}\]

  8. anonymous
    • 4 years ago
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    so its 35 km/

  9. jagatuba
    • 4 years ago
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    How did you arrive at that answer?

  10. jagatuba
    • 4 years ago
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    Once you have A. Find IJ using \[\tan A=\frac{opposite leg}{adjacent leg}\] OR \[\cos A=\frac{adjacent}{hypotenuse}\] Once you have IJ it's 2(IJ)+2(JG) to get your answer.

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