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eli123

  • 2 years ago

check please

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  1. eli123
    • 2 years ago
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  2. ParthKohli
    • 2 years ago
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    Hint: You must use the following theorems. 1) Distance formula for finding the lengths of all the sides. 2) Pythagorean theorem for confirming that we have a right triangle. 3) Heron's formula for finding area.

  3. eli123
    • 2 years ago
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    yeah i did that i just wanted my answers to be checked

  4. eli123
    • 2 years ago
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    for the sum of the squares of the length of the legs i got 45 and for the square of the lenght of the hypothenuse i got 45 then the area i got 10.67

  5. hartnn
    • 2 years ago
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    sum of the squares of the length of the legs is incorrect

  6. hartnn
    • 2 years ago
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    how did u get 45 ?

  7. eli123
    • 2 years ago
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    i meant 65 my bad

  8. hartnn
    • 2 years ago
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    65 is correct

  9. hartnn
    • 2 years ago
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    u wrote 45 there

  10. hartnn
    • 2 years ago
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    area is incorrect

  11. eli123
    • 2 years ago
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    so they are both 65 and area 10.67?

  12. hartnn
    • 2 years ago
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    they are both 65 <----correct area is not 10.67

  13. hartnn
    • 2 years ago
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    what are the lengths of legs u got ?

  14. eli123
    • 2 years ago
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    i have d(A,B)=4 d(b,c)=sqrt65 and d(a,c)=7

  15. hartnn
    • 2 years ago
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    yes, so legs are 4 units and 7 units area is half the product of legs

  16. eli123
    • 2 years ago
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    14?

  17. hartnn
    • 2 years ago
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    yup

  18. eli123
    • 2 years ago
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    can you check something else for me? last one

  19. hartnn
    • 2 years ago
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    sure

  20. eli123
    • 2 years ago
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  21. hartnn
    • 2 years ago
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    not symmetric w.r.t y axis (-2,0) is correct

  22. eli123
    • 2 years ago
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    no? then which one?

  23. hartnn
    • 2 years ago
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    if u flip the upper half and lower half, u get the same graph, here x-axis remains axis of symmetry

  24. eli123
    • 2 years ago
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    hmm i see

  25. eli123
    • 2 years ago
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    so (3,0) would be x-axis too?

  26. hartnn
    • 2 years ago
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    sorry what ? where does 3,0 come from ??

  27. eli123
    • 2 years ago
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    its another example lol

  28. hartnn
    • 2 years ago
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    ok.

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