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Elak Group Title

The ratio of the legs of a right triangle is 5 to 12. If the hypotenuse is 39, what is the area?

  • one year ago
  • one year ago

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  1. ash2326 Group Title
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    @Elak Do you know Pythagoras?

    • one year ago
  2. Elak Group Title
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    yes

    • one year ago
  3. ash2326 Group Title
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    Let's assume one leg as x then other will be 12x/5 Do you agree?

    • one year ago
  4. Elak Group Title
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    :)) ok

    • one year ago
  5. Elak Group Title
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    but why?

    • one year ago
  6. ash2326 Group Title
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    Let the other be y \[\frac x y= \frac 5 {12}\] Find y from this

    • one year ago
  7. Elak Group Title
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    ok Y=5/12x :)

    • one year ago
  8. ash2326 Group Title
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    Now use the pythagoras to find x, Can you do that?

    • one year ago
  9. Elak Group Title
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    ok sorry , 12x=5y y=12x/5 :)

    • one year ago
  10. ash2326 Group Title
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    oops :( I had missed that

    • one year ago
  11. ash2326 Group Title
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    Could you find x?

    • one year ago
  12. Elak Group Title
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    x^2+ (12x/5)^2= 39 isit right??? :((

    • one year ago
  13. ash2326 Group Title
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    39^2

    • one year ago
  14. ash2326 Group Title
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    @Elak Did you find x? it's easy

    • one year ago
  15. Elak Group Title
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    x=15 ???

    • one year ago
  16. ash2326 Group Title
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    Yes, I think you can find the area now?

    • one year ago
  17. Elak Group Title
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    yes, yhank you very muuuch :)))

    • one year ago
  18. ash2326 Group Title
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    you did everything :)

    • one year ago
  19. Elak Group Title
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    but you help me, to think right ;)

    • one year ago
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