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anonymous

  • one year ago

The triangles shown below must be congruent.

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  1. anonymous
    • one year ago
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    |dw:1443318794182:dw|

  2. anonymous
    • one year ago
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    true or false

  3. DanJS
    • one year ago
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    what way did you learn to tell this, the side angle side and other rules?

  4. anonymous
    • one year ago
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    its just asking if its true or not, its not by any rule.

  5. DanJS
    • one year ago
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    ah, well 2 angles are the same, so the third is also, they have all the same angles..

  6. DanJS
    • one year ago
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    and one side that is the same fixed length

  7. DanJS
    • one year ago
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    i concluded yes, by trying to manipulate the thing in my mind using two triangles with three equal corresponding angles and one side equal, you can not move anything

  8. DanJS
    • one year ago
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    then looked at the theorem list, you can use whichever one

  9. anonymous
    • one year ago
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    it was true (:

  10. DanJS
    • one year ago
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    yeah , see, if you have equal angle, then equal side, then equal angle in a row, that will determine everything else

  11. DanJS
    • one year ago
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    it is fixed

  12. DanJS
    • one year ago
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    |dw:1443319572368:dw|

  13. DanJS
    • one year ago
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    http://www.mathwarehouse.com/geometry/congruent_triangles/

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spraguer (Moderator)
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