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anonymous

  • one year ago

Find the missing length in the right triangle. Round to the nearest tenth. Legs: 15, 20 cm WILL BE A FAN

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  1. anonymous
    • one year ago
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    So you know the Pythagorean theorem right?

  2. anonymous
    • one year ago
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    NO!!

  3. anonymous
    • one year ago
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    Well let's say that the two legs are a and b and the hypotenuse is c. In the Pythagorean theorem, we can figure out the hypotenuse with the two legs. It looks like this \[\large a^{2}+ \large b^{2}= \large c^{2}\]

  4. anonymous
    • one year ago
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    So then the answer would be?????

  5. anonymous
    • one year ago
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    We'll get to that. So let's plug in our leg values, a and b. We'll get \[\large 15^{2}+20^{2}=c^{2}\]

  6. anonymous
    • one year ago
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    So thats the answer!!!!

  7. anonymous
    • one year ago
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    Our answer is the c. We're solving for that currently.

  8. anonymous
    • one year ago
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    kk thanks!!!

  9. anonymous
    • one year ago
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    Thanks for what? Did you figure out the answer?

  10. anonymous
    • one year ago
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    NO!!!!!!

  11. anonymous
    • one year ago
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    So do you still want my help or?

  12. anonymous
    • one year ago
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    DUDE can u just tell me answer please!!!!! i will fan u!!!!!

  13. anonymous
    • one year ago
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    wait so the answer is 4,900???

  14. anonymous
    • one year ago
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    Giving the answer directly is against the code of conduct so no, i can't just give you the answer. http://openstudy.com/code-of-conduct

  15. anonymous
    • one year ago
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    GOtcha but the answer then is 4,900???

  16. anonymous
    • one year ago
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    Well what is \[\large 15^{2}?\]

  17. anonymous
    • one year ago
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    225

  18. anonymous
    • one year ago
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    And what is \[\large 20^{2}?\]

  19. anonymous
    • one year ago
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    400

  20. anonymous
    • one year ago
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    so do i add them toghether to get the answer??

  21. anonymous
    • one year ago
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    Close. One more step after that. 225+400=?

  22. anonymous
    • one year ago
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    kk and i get 625!!

  23. anonymous
    • one year ago
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    and that the answer!!

  24. anonymous
    • one year ago
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    Ok so right now we have \[\large 625=c^{2}\] So to find c, we need to get the square root of both sides \[\large \sqrt{625}=c\] THIS will give you the answer

  25. anonymous
    • one year ago
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    312.5

  26. anonymous
    • one year ago
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    ??????

  27. anonymous
    • one year ago
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    We aren't dividing by 2, we're getting the square root of it.

  28. anonymous
    • one year ago
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    ooh so then.....

  29. anonymous
    • one year ago
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    Go to http://web2.0calc.com/ and put sqrt(625) into the bar

  30. anonymous
    • one year ago
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    this is 25!!!

  31. anonymous
    • one year ago
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    Yep. So 25 is your answer :)

  32. anonymous
    • one year ago
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    man thanks bro u teached me something new man thanks ill will fan u!!

  33. anonymous
    • one year ago
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    No problem :)

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