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OpenSessame Group Title

A triangle has side lengths 10, 15, and 7. Is the triangle acute, obtuse, or right? Explain

  • one year ago
  • one year ago

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  1. OpenSessame Group Title
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    MY ANSWER: Obtuse, because to find if the triangle is right, acute or obtuse you use the Pythagorean Theorem. You plug in the two smaller numbers in the equation to it looks like this, 7^2+10^2=12.2. Since the hypotenuse given in the problem is larger than the hypotenuse you get in the theorem it is obtuse. Can someone explain what I did wrong?

    • one year ago
  2. shaagasda Group Title
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    You're correct.

    • one year ago
  3. OpenSessame Group Title
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    But my teacher said it was wrong...

    • one year ago
  4. shaagasda Group Title
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    The answer would be awkward, I know.

    • one year ago
  5. OpenSessame Group Title
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    Awkward?

    • one year ago
  6. shaagasda Group Title
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    Lol... tell your teacher to look again.

    • one year ago
  7. OpenSessame Group Title
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    I did, and she still said it was wrong. That is why I am asking for help.

    • one year ago
  8. shaagasda Group Title
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    Stop cheating.

    • one year ago
  9. shaagasda Group Title
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    Cheating is so pathetic, seriously.

    • one year ago
  10. shaagasda Group Title
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    Don't cheat, you learn nothing by cheating.

    • one year ago
  11. OpenSessame Group Title
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    I'm not?

    • one year ago
  12. OpenSessame Group Title
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    @e.mccormick Can you help?

    • one year ago
  13. shaagasda Group Title
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    @e.mccormick Don't help him, he's cheating.

    • one year ago
  14. OpenSessame Group Title
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    I'm not cheating, so if you can't help please leave this thread alone.

    • one year ago
  15. e.mccormick Group Title
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    The only thing I see wrong is ytour math: \(7^2+10^2=12.2\) is not true. \(7^2+10^2=149\) is true and \(15^2=225\) is true and \(\sqrt{7^2+10^2}\approx12.2\) is true.

    • one year ago
  16. OpenSessame Group Title
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    Okay, thats it?

    • one year ago
  17. e.mccormick Group Title
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    If that is the exact answer you submitted, yes, that is why it would be marked wrong. you did not actually apply the Pythagorean Theorem in that equation. You came close, but forgot the root sign!

    • one year ago
  18. OpenSessame Group Title
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    Oh okay! Thanks!

    • one year ago
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