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max1409

  • one year ago

Prove that a rectangle has congruent diagonals. Be sure to create and name the appropriate geometric figures.

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  1. max1409
    • one year ago
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    help please

  2. max1409
    • one year ago
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    ?

  3. anonymous
    • one year ago
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    is there a figure or picture?

  4. max1409
    • one year ago
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    no picture

  5. anonymous
    • one year ago
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    |dw:1438182435865:dw|

  6. max1409
    • one year ago
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    k

  7. anonymous
    • one year ago
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    screen prine the problem and send it to me

  8. anonymous
    • one year ago
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    screen print**

  9. max1409
    • one year ago
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    where is nothing in the problem only words

  10. welshfella
    • one year ago
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    |dw:1438182568066:dw|

  11. anonymous
    • one year ago
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    okay

  12. welshfella
    • one year ago
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    you need to prove that the triangles AEB and CED are congruent

  13. anonymous
    • one year ago
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    \[AB \left| \right| CD \]

  14. max1409
    • one year ago
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    pythagorean theorem

  15. max1409
    • one year ago
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    right?

  16. anonymous
    • one year ago
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    yeah listen to welshfella im too busy

  17. max1409
    • one year ago
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    k

  18. max1409
    • one year ago
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    so what should i write

  19. max1409
    • one year ago
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    welsh?

  20. welshfella
    • one year ago
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    AB and CD are congruent (opposite side of a rectangle) and angle BAD is congruent to < ADC (interior alternate angles) also < abc congruent to < BCD ( smae reason)

  21. max1409
    • one year ago
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    k

  22. max1409
    • one year ago
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    is this my answer

  23. welshfella
    • one year ago
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    r u form the US?

  24. max1409
    • one year ago
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    yes

  25. max1409
    • one year ago
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    currently on vacation in moscow

  26. welshfella
    • one year ago
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    you need to write that AB parallel to CD before what I wrote

  27. max1409
    • one year ago
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    AB parallel to CD before what I wrote AB and CD are congruent (opposite side of a rectangle) and angle BAD is congruent to < ADC (interior alternate angles) also < abc congruent to < BCD ( same reason)

  28. max1409
    • one year ago
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    can i put this as my answer?

  29. welshfella
    • one year ago
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    oh OK standards for geometric proofs in US are different from UK ( where I am) so you are getting the UK version!

  30. max1409
    • one year ago
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    k thx

  31. max1409
    • one year ago
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    should i keep the stuff in prenteses

  32. max1409
    • one year ago
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    p;ease tell me quick i have to go?

  33. welshfella
    • one year ago
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    yes - that would be OK in UK the next line would be Therefore triangles AEB and CED are congruent ( 2 angles and the corresponding side) - i think thats ASA in the US.

  34. welshfella
    • one year ago
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    so AE = ED and CE = EB and therfore AD = CB

  35. welshfella
    • one year ago
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    thats it

  36. max1409
    • one year ago
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    k should i keep stuff in the ()

  37. welshfella
    • one year ago
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    yes

  38. max1409
    • one year ago
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    ?

  39. max1409
    • one year ago
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    k thx

  40. welshfella
    • one year ago
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    yw

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