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ashleysmith

Robert left his house and biked 12km east before changing direction. He then biked 16 km south. If he bikes home on the most direct path to his house, how many kilometers must he travel?

  • one year ago
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  1. alexwee123
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    |dw:1339479231206:dw| use Pythagorean theorem to solve out for x

    • one year ago
  2. alexwee123
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    and that would be your answer :)

    • one year ago
  3. ashleysmith
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    is there another way to solve it ? like an equation or something?

    • one year ago
  4. alexwee123
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    yes the pythagorean theorem there probably is another way to solve this but using the theorem is the easiest way

    • one year ago
  5. Calcmathlete
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    \[c^{2} = a^{2} + b^{2}\] \[c^{2} = 12^{2} + 16^{2}\] \[c^{2} = 144 + 256\] Can you solve it now?

    • one year ago
  6. ashleysmith
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    thanks :)

    • one year ago
  7. Calcmathlete
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    You're welcome :)

    • one year ago
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